Home / 10,013.92-13,819.65-6,239.32

Finding the Fourth Proportional to 10,013.92, 13,819.65 and 6,239.32

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Solution

The fourth proportional to 10,013.92, 13,819.65 and 6,239.32 is: 8,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.92 : 13,819.65 = 6,239.32 : x
  2. Step 2: Convert to fraction form
    10,013.92/13,819.65 = 6,239.32/x
  3. Step 3: Cross multiply
    10,013.92x = 13,819.65 × 6,239.32
  4. Step 4: Simplify right side
    10,013.92x = 86,225,218.64
  5. Step 5: Solve for x
    x = 86,225,218.64/10,013.92
  6. Step 6: Final answer
    x = 8,610.54

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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.