Home / 9,069.32-12,515.65-5,090.44

Finding the Fourth Proportional to 9,069.32, 12,515.65 and 5,090.44

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Solution

The fourth proportional to 9,069.32, 12,515.65 and 5,090.44 is: 7,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.32 : 12,515.65 = 5,090.44 : x
  2. Step 2: Convert to fraction form
    9,069.32/12,515.65 = 5,090.44/x
  3. Step 3: Cross multiply
    9,069.32x = 12,515.65 × 5,090.44
  4. Step 4: Simplify right side
    9,069.32x = 63,710,173.47
  5. Step 5: Solve for x
    x = 63,710,173.47/9,069.32
  6. Step 6: Final answer
    x = 7,024.80

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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.