Home / 15,021.64-22,555.40-12,711.93

Finding the Fourth Proportional to 15,021.64, 22,555.40 and 12,711.93

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Solution

The fourth proportional to 15,021.64, 22,555.40 and 12,711.93 is: 19,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.64 : 22,555.40 = 12,711.93 : x
  2. Step 2: Convert to fraction form
    15,021.64/22,555.40 = 12,711.93/x
  3. Step 3: Cross multiply
    15,021.64x = 22,555.40 × 12,711.93
  4. Step 4: Simplify right side
    15,021.64x = 286,722,517.78
  5. Step 5: Solve for x
    x = 286,722,517.78/15,021.64
  6. Step 6: Final answer
    x = 19,087.30

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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.