Home / 14,458.04-19,952.26-8,489.78

Finding the Fourth Proportional to 14,458.04, 19,952.26 and 8,489.78

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Solution

The fourth proportional to 14,458.04, 19,952.26 and 8,489.78 is: 11,715.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.04 : 19,952.26 = 8,489.78 : x
  2. Step 2: Convert to fraction form
    14,458.04/19,952.26 = 8,489.78/x
  3. Step 3: Cross multiply
    14,458.04x = 19,952.26 × 8,489.78
  4. Step 4: Simplify right side
    14,458.04x = 169,390,297.90
  5. Step 5: Solve for x
    x = 169,390,297.90/14,458.04
  6. Step 6: Final answer
    x = 11,715.99

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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.