Home / 10,285.66-14,194.11-5,569.86

Finding the Fourth Proportional to 10,285.66, 14,194.11 and 5,569.86

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Solution

The fourth proportional to 10,285.66, 14,194.11 and 5,569.86 is: 7,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.66 : 14,194.11 = 5,569.86 : x
  2. Step 2: Convert to fraction form
    10,285.66/14,194.11 = 5,569.86/x
  3. Step 3: Cross multiply
    10,285.66x = 14,194.11 × 5,569.86
  4. Step 4: Simplify right side
    10,285.66x = 79,059,205.52
  5. Step 5: Solve for x
    x = 79,059,205.52/10,285.66
  6. Step 6: Final answer
    x = 7,686.35

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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.