Home / 10,275.48-14,166.97-8,385.14

Finding the Fourth Proportional to 10,275.48, 14,166.97 and 8,385.14

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Solution

The fourth proportional to 10,275.48, 14,166.97 and 8,385.14 is: 11,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.48 : 14,166.97 = 8,385.14 : x
  2. Step 2: Convert to fraction form
    10,275.48/14,166.97 = 8,385.14/x
  3. Step 3: Cross multiply
    10,275.48x = 14,166.97 × 8,385.14
  4. Step 4: Simplify right side
    10,275.48x = 118,792,041.28
  5. Step 5: Solve for x
    x = 118,792,041.28/10,275.48
  6. Step 6: Final answer
    x = 11,560.73

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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.