Home / 14,320.48-19,754.80-9,005.28

Finding the Fourth Proportional to 14,320.48, 19,754.80 and 9,005.28

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Solution

The fourth proportional to 14,320.48, 19,754.80 and 9,005.28 is: 12,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.48 : 19,754.80 = 9,005.28 : x
  2. Step 2: Convert to fraction form
    14,320.48/19,754.80 = 9,005.28/x
  3. Step 3: Cross multiply
    14,320.48x = 19,754.80 × 9,005.28
  4. Step 4: Simplify right side
    14,320.48x = 177,897,505.34
  5. Step 5: Solve for x
    x = 177,897,505.34/14,320.48
  6. Step 6: Final answer
    x = 12,422.59

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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.