Home / 12,269.48-18,393.26-4,870.13

Finding the Fourth Proportional to 12,269.48, 18,393.26 and 4,870.13

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Solution

The fourth proportional to 12,269.48, 18,393.26 and 4,870.13 is: 7,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.48 : 18,393.26 = 4,870.13 : x
  2. Step 2: Convert to fraction form
    12,269.48/18,393.26 = 4,870.13/x
  3. Step 3: Cross multiply
    12,269.48x = 18,393.26 × 4,870.13
  4. Step 4: Simplify right side
    12,269.48x = 89,577,451.01
  5. Step 5: Solve for x
    x = 89,577,451.01/12,269.48
  6. Step 6: Final answer
    x = 7,300.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.