Home / 10,372.35-14,309.76-6,386.55

Finding the Fourth Proportional to 10,372.35, 14,309.76 and 6,386.55

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Solution

The fourth proportional to 10,372.35, 14,309.76 and 6,386.55 is: 8,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.35 : 14,309.76 = 6,386.55 : x
  2. Step 2: Convert to fraction form
    10,372.35/14,309.76 = 6,386.55/x
  3. Step 3: Cross multiply
    10,372.35x = 14,309.76 × 6,386.55
  4. Step 4: Simplify right side
    10,372.35x = 91,389,997.73
  5. Step 5: Solve for x
    x = 91,389,997.73/10,372.35
  6. Step 6: Final answer
    x = 8,810.92

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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.