Home / 10,617.21-15,833.12-9,307.04

Finding the Fourth Proportional to 10,617.21, 15,833.12 and 9,307.04

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Solution

The fourth proportional to 10,617.21, 15,833.12 and 9,307.04 is: 13,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.21 : 15,833.12 = 9,307.04 : x
  2. Step 2: Convert to fraction form
    10,617.21/15,833.12 = 9,307.04/x
  3. Step 3: Cross multiply
    10,617.21x = 15,833.12 × 9,307.04
  4. Step 4: Simplify right side
    10,617.21x = 147,359,355.46
  5. Step 5: Solve for x
    x = 147,359,355.46/10,617.21
  6. Step 6: Final answer
    x = 13,879.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.