Home / 14,292.40-21,443.46-9,021.28

Finding the Fourth Proportional to 14,292.40, 21,443.46 and 9,021.28

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Solution

The fourth proportional to 14,292.40, 21,443.46 and 9,021.28 is: 13,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.40 : 21,443.46 = 9,021.28 : x
  2. Step 2: Convert to fraction form
    14,292.40/21,443.46 = 9,021.28/x
  3. Step 3: Cross multiply
    14,292.40x = 21,443.46 × 9,021.28
  4. Step 4: Simplify right side
    14,292.40x = 193,447,456.83
  5. Step 5: Solve for x
    x = 193,447,456.83/14,292.40
  6. Step 6: Final answer
    x = 13,534.99

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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.