Home / 15,119.79-22,565.32-14,726.13

Finding the Fourth Proportional to 15,119.79, 22,565.32 and 14,726.13

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Solution

The fourth proportional to 15,119.79, 22,565.32 and 14,726.13 is: 21,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.79 : 22,565.32 = 14,726.13 : x
  2. Step 2: Convert to fraction form
    15,119.79/22,565.32 = 14,726.13/x
  3. Step 3: Cross multiply
    15,119.79x = 22,565.32 × 14,726.13
  4. Step 4: Simplify right side
    15,119.79x = 332,299,835.81
  5. Step 5: Solve for x
    x = 332,299,835.81/15,119.79
  6. Step 6: Final answer
    x = 21,977.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.