Home / 14,501.16-21,720.15-8,955.90

Finding the Fourth Proportional to 14,501.16, 21,720.15 and 8,955.90

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Solution

The fourth proportional to 14,501.16, 21,720.15 and 8,955.90 is: 13,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.16 : 21,720.15 = 8,955.90 : x
  2. Step 2: Convert to fraction form
    14,501.16/21,720.15 = 8,955.90/x
  3. Step 3: Cross multiply
    14,501.16x = 21,720.15 × 8,955.90
  4. Step 4: Simplify right side
    14,501.16x = 194,523,491.39
  5. Step 5: Solve for x
    x = 194,523,491.39/14,501.16
  6. Step 6: Final answer
    x = 13,414.34

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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.