Home / 10,129.03-13,973.74-6,349.61

Finding the Fourth Proportional to 10,129.03, 13,973.74 and 6,349.61

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Solution

The fourth proportional to 10,129.03, 13,973.74 and 6,349.61 is: 8,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.03 : 13,973.74 = 6,349.61 : x
  2. Step 2: Convert to fraction form
    10,129.03/13,973.74 = 6,349.61/x
  3. Step 3: Cross multiply
    10,129.03x = 13,973.74 × 6,349.61
  4. Step 4: Simplify right side
    10,129.03x = 88,727,818.30
  5. Step 5: Solve for x
    x = 88,727,818.30/10,129.03
  6. Step 6: Final answer
    x = 8,759.76

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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.