Home / 10,217.85-14,068.31-9,283.56

Finding the Fourth Proportional to 10,217.85, 14,068.31 and 9,283.56

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Solution

The fourth proportional to 10,217.85, 14,068.31 and 9,283.56 is: 12,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.85 : 14,068.31 = 9,283.56 : x
  2. Step 2: Convert to fraction form
    10,217.85/14,068.31 = 9,283.56/x
  3. Step 3: Cross multiply
    10,217.85x = 14,068.31 × 9,283.56
  4. Step 4: Simplify right side
    10,217.85x = 130,603,999.98
  5. Step 5: Solve for x
    x = 130,603,999.98/10,217.85
  6. Step 6: Final answer
    x = 12,781.95

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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.