Home / 9,144.98-12,620.08-4,953.23

Finding the Fourth Proportional to 9,144.98, 12,620.08 and 4,953.23

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Solution

The fourth proportional to 9,144.98, 12,620.08 and 4,953.23 is: 6,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.98 : 12,620.08 = 4,953.23 : x
  2. Step 2: Convert to fraction form
    9,144.98/12,620.08 = 4,953.23/x
  3. Step 3: Cross multiply
    9,144.98x = 12,620.08 × 4,953.23
  4. Step 4: Simplify right side
    9,144.98x = 62,510,095.76
  5. Step 5: Solve for x
    x = 62,510,095.76/9,144.98
  6. Step 6: Final answer
    x = 6,835.46

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Half scale
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Double scale
Find fourth proportional to 9,145.98, 12,621.46 and 4,954.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.