Home / 10,101.02-13,940.80-6,385.82

Finding the Fourth Proportional to 10,101.02, 13,940.80 and 6,385.82

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Solution

The fourth proportional to 10,101.02, 13,940.80 and 6,385.82 is: 8,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.02 : 13,940.80 = 6,385.82 : x
  2. Step 2: Convert to fraction form
    10,101.02/13,940.80 = 6,385.82/x
  3. Step 3: Cross multiply
    10,101.02x = 13,940.80 × 6,385.82
  4. Step 4: Simplify right side
    10,101.02x = 89,023,439.46
  5. Step 5: Solve for x
    x = 89,023,439.46/10,101.02
  6. Step 6: Final answer
    x = 8,813.31

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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.