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Finding the Fourth Proportional to 12,737.52, 19,090.08 and 6,899.04

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Solution

The fourth proportional to 12,737.52, 19,090.08 and 6,899.04 is: 10,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.52 : 19,090.08 = 6,899.04 : x
  2. Step 2: Convert to fraction form
    12,737.52/19,090.08 = 6,899.04/x
  3. Step 3: Cross multiply
    12,737.52x = 19,090.08 × 6,899.04
  4. Step 4: Simplify right side
    12,737.52x = 131,703,225.52
  5. Step 5: Solve for x
    x = 131,703,225.52/12,737.52
  6. Step 6: Final answer
    x = 10,339.79

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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.