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Finding the Fourth Proportional to 10,038.87, 13,855.10 and 6,060.56

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Solution

The fourth proportional to 10,038.87, 13,855.10 and 6,060.56 is: 8,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.87 : 13,855.10 = 6,060.56 : x
  2. Step 2: Convert to fraction form
    10,038.87/13,855.10 = 6,060.56/x
  3. Step 3: Cross multiply
    10,038.87x = 13,855.10 × 6,060.56
  4. Step 4: Simplify right side
    10,038.87x = 83,969,565.28
  5. Step 5: Solve for x
    x = 83,969,565.28/10,038.87
  6. Step 6: Final answer
    x = 8,364.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.