Home / 14,287.40-21,434.52-5,962.78

Finding the Fourth Proportional to 14,287.40, 21,434.52 and 5,962.78

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Solution

The fourth proportional to 14,287.40, 21,434.52 and 5,962.78 is: 8,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.40 : 21,434.52 = 5,962.78 : x
  2. Step 2: Convert to fraction form
    14,287.40/21,434.52 = 5,962.78/x
  3. Step 3: Cross multiply
    14,287.40x = 21,434.52 × 5,962.78
  4. Step 4: Simplify right side
    14,287.40x = 127,809,327.17
  5. Step 5: Solve for x
    x = 127,809,327.17/14,287.40
  6. Step 6: Final answer
    x = 8,945.60

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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.