Home / 13,985.28-20,957.88-10,524.96

Finding the Fourth Proportional to 13,985.28, 20,957.88 and 10,524.96

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Solution

The fourth proportional to 13,985.28, 20,957.88 and 10,524.96 is: 15,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.28 : 20,957.88 = 10,524.96 : x
  2. Step 2: Convert to fraction form
    13,985.28/20,957.88 = 10,524.96/x
  3. Step 3: Cross multiply
    13,985.28x = 20,957.88 × 10,524.96
  4. Step 4: Simplify right side
    13,985.28x = 220,580,848.68
  5. Step 5: Solve for x
    x = 220,580,848.68/13,985.28
  6. Step 6: Final answer
    x = 15,772.36

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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.