Home / 10,013.07-13,832.19-9,115.32

Finding the Fourth Proportional to 10,013.07, 13,832.19 and 9,115.32

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Solution

The fourth proportional to 10,013.07, 13,832.19 and 9,115.32 is: 12,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.07 : 13,832.19 = 9,115.32 : x
  2. Step 2: Convert to fraction form
    10,013.07/13,832.19 = 9,115.32/x
  3. Step 3: Cross multiply
    10,013.07x = 13,832.19 × 9,115.32
  4. Step 4: Simplify right side
    10,013.07x = 126,084,838.15
  5. Step 5: Solve for x
    x = 126,084,838.15/10,013.07
  6. Step 6: Final answer
    x = 12,592.03

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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.