Home / 14,116.89-21,182.29-9,983.46

Finding the Fourth Proportional to 14,116.89, 21,182.29 and 9,983.46

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Solution

The fourth proportional to 14,116.89, 21,182.29 and 9,983.46 is: 14,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.89 : 21,182.29 = 9,983.46 : x
  2. Step 2: Convert to fraction form
    14,116.89/21,182.29 = 9,983.46/x
  3. Step 3: Cross multiply
    14,116.89x = 21,182.29 × 9,983.46
  4. Step 4: Simplify right side
    14,116.89x = 211,472,519.96
  5. Step 5: Solve for x
    x = 211,472,519.96/14,116.89
  6. Step 6: Final answer
    x = 14,980.11

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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.