Home / 13,501.40-20,252.10-4,737.20

Finding the Fourth Proportional to 13,501.40, 20,252.10 and 4,737.20

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Solution

The fourth proportional to 13,501.40, 20,252.10 and 4,737.20 is: 7,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.40 : 20,252.10 = 4,737.20 : x
  2. Step 2: Convert to fraction form
    13,501.40/20,252.10 = 4,737.20/x
  3. Step 3: Cross multiply
    13,501.40x = 20,252.10 × 4,737.20
  4. Step 4: Simplify right side
    13,501.40x = 95,938,248.12
  5. Step 5: Solve for x
    x = 95,938,248.12/13,501.40
  6. Step 6: Final answer
    x = 7,105.80

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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.