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Finding the Fourth Proportional to 11,340.61, 15,650.62 and 6,304.93

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Solution

The fourth proportional to 11,340.61, 15,650.62 and 6,304.93 is: 8,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.61 : 15,650.62 = 6,304.93 : x
  2. Step 2: Convert to fraction form
    11,340.61/15,650.62 = 6,304.93/x
  3. Step 3: Cross multiply
    11,340.61x = 15,650.62 × 6,304.93
  4. Step 4: Simplify right side
    11,340.61x = 98,676,032.03
  5. Step 5: Solve for x
    x = 98,676,032.03/11,340.61
  6. Step 6: Final answer
    x = 8,701.12

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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.