Home / 13,962.81-20,949.08-6,572.91

Finding the Fourth Proportional to 13,962.81, 20,949.08 and 6,572.91

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Solution

The fourth proportional to 13,962.81, 20,949.08 and 6,572.91 is: 9,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.81 : 20,949.08 = 6,572.91 : x
  2. Step 2: Convert to fraction form
    13,962.81/20,949.08 = 6,572.91/x
  3. Step 3: Cross multiply
    13,962.81x = 20,949.08 × 6,572.91
  4. Step 4: Simplify right side
    13,962.81x = 137,696,417.42
  5. Step 5: Solve for x
    x = 137,696,417.42/13,962.81
  6. Step 6: Final answer
    x = 9,861.66

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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.