Home / 15,166.10-22,749.15-9,917.30

Finding the Fourth Proportional to 15,166.10, 22,749.15 and 9,917.30

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Solution

The fourth proportional to 15,166.10, 22,749.15 and 9,917.30 is: 14,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.10 : 22,749.15 = 9,917.30 : x
  2. Step 2: Convert to fraction form
    15,166.10/22,749.15 = 9,917.30/x
  3. Step 3: Cross multiply
    15,166.10x = 22,749.15 × 9,917.30
  4. Step 4: Simplify right side
    15,166.10x = 225,610,145.30
  5. Step 5: Solve for x
    x = 225,610,145.30/15,166.10
  6. Step 6: Final answer
    x = 14,875.95

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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.