Home / 12,360.52-17,039.66-8,817.58

Finding the Fourth Proportional to 12,360.52, 17,039.66 and 8,817.58

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Solution

The fourth proportional to 12,360.52, 17,039.66 and 8,817.58 is: 12,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.52 : 17,039.66 = 8,817.58 : x
  2. Step 2: Convert to fraction form
    12,360.52/17,039.66 = 8,817.58/x
  3. Step 3: Cross multiply
    12,360.52x = 17,039.66 × 8,817.58
  4. Step 4: Simplify right side
    12,360.52x = 150,248,565.22
  5. Step 5: Solve for x
    x = 150,248,565.22/12,360.52
  6. Step 6: Final answer
    x = 12,155.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.