Home / 15,240.81-22,867.29-5,381.09

Finding the Fourth Proportional to 15,240.81, 22,867.29 and 5,381.09

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Solution

The fourth proportional to 15,240.81, 22,867.29 and 5,381.09 is: 8,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.81 : 22,867.29 = 5,381.09 : x
  2. Step 2: Convert to fraction form
    15,240.81/22,867.29 = 5,381.09/x
  3. Step 3: Cross multiply
    15,240.81x = 22,867.29 × 5,381.09
  4. Step 4: Simplify right side
    15,240.81x = 123,050,831.21
  5. Step 5: Solve for x
    x = 123,050,831.21/15,240.81
  6. Step 6: Final answer
    x = 8,073.77

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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.