Home / 15,288.72-22,934.80-13,719.06

Finding the Fourth Proportional to 15,288.72, 22,934.80 and 13,719.06

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Solution

The fourth proportional to 15,288.72, 22,934.80 and 13,719.06 is: 20,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.72 : 22,934.80 = 13,719.06 : x
  2. Step 2: Convert to fraction form
    15,288.72/22,934.80 = 13,719.06/x
  3. Step 3: Cross multiply
    15,288.72x = 22,934.80 × 13,719.06
  4. Step 4: Simplify right side
    15,288.72x = 314,643,897.29
  5. Step 5: Solve for x
    x = 314,643,897.29/15,288.72
  6. Step 6: Final answer
    x = 20,580.13

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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.