Home / 10,177.13-15,335.04-8,368.75

Finding the Fourth Proportional to 10,177.13, 15,335.04 and 8,368.75

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Solution

The fourth proportional to 10,177.13, 15,335.04 and 8,368.75 is: 12,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.13 : 15,335.04 = 8,368.75 : x
  2. Step 2: Convert to fraction form
    10,177.13/15,335.04 = 8,368.75/x
  3. Step 3: Cross multiply
    10,177.13x = 15,335.04 × 8,368.75
  4. Step 4: Simplify right side
    10,177.13x = 128,335,116
  5. Step 5: Solve for x
    x = 128,335,116/10,177.13
  6. Step 6: Final answer
    x = 12,610.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.