Home / 10,708.98-14,778.10-5,929.15

Finding the Fourth Proportional to 10,708.98, 14,778.10 and 5,929.15

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Solution

The fourth proportional to 10,708.98, 14,778.10 and 5,929.15 is: 8,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.98 : 14,778.10 = 5,929.15 : x
  2. Step 2: Convert to fraction form
    10,708.98/14,778.10 = 5,929.15/x
  3. Step 3: Cross multiply
    10,708.98x = 14,778.10 × 5,929.15
  4. Step 4: Simplify right side
    10,708.98x = 87,621,536.44
  5. Step 5: Solve for x
    x = 87,621,536.44/10,708.98
  6. Step 6: Final answer
    x = 8,182.06

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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.