Home / 14,254.40-21,382.08-4,393.60

Finding the Fourth Proportional to 14,254.40, 21,382.08 and 4,393.60

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Solution

The fourth proportional to 14,254.40, 21,382.08 and 4,393.60 is: 6,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.40 : 21,382.08 = 4,393.60 : x
  2. Step 2: Convert to fraction form
    14,254.40/21,382.08 = 4,393.60/x
  3. Step 3: Cross multiply
    14,254.40x = 21,382.08 × 4,393.60
  4. Step 4: Simplify right side
    14,254.40x = 93,944,306.69
  5. Step 5: Solve for x
    x = 93,944,306.69/14,254.40
  6. Step 6: Final answer
    x = 6,590.55

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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.