Home / 10,036.32-13,827.60-9,142.08

Finding the Fourth Proportional to 10,036.32, 13,827.60 and 9,142.08

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Solution

The fourth proportional to 10,036.32, 13,827.60 and 9,142.08 is: 12,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.32 : 13,827.60 = 9,142.08 : x
  2. Step 2: Convert to fraction form
    10,036.32/13,827.60 = 9,142.08/x
  3. Step 3: Cross multiply
    10,036.32x = 13,827.60 × 9,142.08
  4. Step 4: Simplify right side
    10,036.32x = 126,413,025.41
  5. Step 5: Solve for x
    x = 126,413,025.41/10,036.32
  6. Step 6: Final answer
    x = 12,595.56

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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.