Home / 8,750.04-13,127.11-7,442.75

Finding the Fourth Proportional to 8,750.04, 13,127.11 and 7,442.75

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Solution

The fourth proportional to 8,750.04, 13,127.11 and 7,442.75 is: 11,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.04 : 13,127.11 = 7,442.75 : x
  2. Step 2: Convert to fraction form
    8,750.04/13,127.11 = 7,442.75/x
  3. Step 3: Cross multiply
    8,750.04x = 13,127.11 × 7,442.75
  4. Step 4: Simplify right side
    8,750.04x = 97,701,854.03
  5. Step 5: Solve for x
    x = 97,701,854.03/8,750.04
  6. Step 6: Final answer
    x = 11,165.87

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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.