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Finding the Fourth Proportional to 16,387.93, 24,581.90 and 4,075.93

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Solution

The fourth proportional to 16,387.93, 24,581.90 and 4,075.93 is: 6,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.93 : 24,581.90 = 4,075.93 : x
  2. Step 2: Convert to fraction form
    16,387.93/24,581.90 = 4,075.93/x
  3. Step 3: Cross multiply
    16,387.93x = 24,581.90 × 4,075.93
  4. Step 4: Simplify right side
    16,387.93x = 100,193,960.38
  5. Step 5: Solve for x
    x = 100,193,960.38/16,387.93
  6. Step 6: Final answer
    x = 6,113.89

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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.