Home / 10,381.73-15,572.56-4,454.77

Finding the Fourth Proportional to 10,381.73, 15,572.56 and 4,454.77

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Solution

The fourth proportional to 10,381.73, 15,572.56 and 4,454.77 is: 6,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.73 : 15,572.56 = 4,454.77 : x
  2. Step 2: Convert to fraction form
    10,381.73/15,572.56 = 4,454.77/x
  3. Step 3: Cross multiply
    10,381.73x = 15,572.56 × 4,454.77
  4. Step 4: Simplify right side
    10,381.73x = 69,372,173.11
  5. Step 5: Solve for x
    x = 69,372,173.11/10,381.73
  6. Step 6: Final answer
    x = 6,682.14

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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.