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Finding the Fourth Proportional to 9,776.93, 14,663.12 and 5,829.29

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Solution

The fourth proportional to 9,776.93, 14,663.12 and 5,829.29 is: 8,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.93 : 14,663.12 = 5,829.29 : x
  2. Step 2: Convert to fraction form
    9,776.93/14,663.12 = 5,829.29/x
  3. Step 3: Cross multiply
    9,776.93x = 14,663.12 × 5,829.29
  4. Step 4: Simplify right side
    9,776.93x = 85,475,630.02
  5. Step 5: Solve for x
    x = 85,475,630.02/9,776.93
  6. Step 6: Final answer
    x = 8,742.59

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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.