Home / 9,339.02-14,005.74-7,691.48

Finding the Fourth Proportional to 9,339.02, 14,005.74 and 7,691.48

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Solution

The fourth proportional to 9,339.02, 14,005.74 and 7,691.48 is: 11,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.02 : 14,005.74 = 7,691.48 : x
  2. Step 2: Convert to fraction form
    9,339.02/14,005.74 = 7,691.48/x
  3. Step 3: Cross multiply
    9,339.02x = 14,005.74 × 7,691.48
  4. Step 4: Simplify right side
    9,339.02x = 107,724,869.10
  5. Step 5: Solve for x
    x = 107,724,869.10/9,339.02
  6. Step 6: Final answer
    x = 11,534.92

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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.