Home / 14,127.60-21,165.56-6,617.37

Finding the Fourth Proportional to 14,127.60, 21,165.56 and 6,617.37

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Solution

The fourth proportional to 14,127.60, 21,165.56 and 6,617.37 is: 9,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.60 : 21,165.56 = 6,617.37 : x
  2. Step 2: Convert to fraction form
    14,127.60/21,165.56 = 6,617.37/x
  3. Step 3: Cross multiply
    14,127.60x = 21,165.56 × 6,617.37
  4. Step 4: Simplify right side
    14,127.60x = 140,060,341.78
  5. Step 5: Solve for x
    x = 140,060,341.78/14,127.60
  6. Step 6: Final answer
    x = 9,913.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.