Home / 14,154.48-21,227.40-9,250.20

Finding the Fourth Proportional to 14,154.48, 21,227.40 and 9,250.20

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Solution

The fourth proportional to 14,154.48, 21,227.40 and 9,250.20 is: 13,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.48 : 21,227.40 = 9,250.20 : x
  2. Step 2: Convert to fraction form
    14,154.48/21,227.40 = 9,250.20/x
  3. Step 3: Cross multiply
    14,154.48x = 21,227.40 × 9,250.20
  4. Step 4: Simplify right side
    14,154.48x = 196,357,695.48
  5. Step 5: Solve for x
    x = 196,357,695.48/14,154.48
  6. Step 6: Final answer
    x = 13,872.48

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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.