Home / 15,436.28-23,154.42-10,839.80

Finding the Fourth Proportional to 15,436.28, 23,154.42 and 10,839.80

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Solution

The fourth proportional to 15,436.28, 23,154.42 and 10,839.80 is: 16,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.28 : 23,154.42 = 10,839.80 : x
  2. Step 2: Convert to fraction form
    15,436.28/23,154.42 = 10,839.80/x
  3. Step 3: Cross multiply
    15,436.28x = 23,154.42 × 10,839.80
  4. Step 4: Simplify right side
    15,436.28x = 250,989,281.92
  5. Step 5: Solve for x
    x = 250,989,281.92/15,436.28
  6. Step 6: Final answer
    x = 16,259.70

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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.