Home / 14,320.78-21,473.88-4,959.80

Finding the Fourth Proportional to 14,320.78, 21,473.88 and 4,959.80

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Solution

The fourth proportional to 14,320.78, 21,473.88 and 4,959.80 is: 7,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.78 : 21,473.88 = 4,959.80 : x
  2. Step 2: Convert to fraction form
    14,320.78/21,473.88 = 4,959.80/x
  3. Step 3: Cross multiply
    14,320.78x = 21,473.88 × 4,959.80
  4. Step 4: Simplify right side
    14,320.78x = 106,506,150.02
  5. Step 5: Solve for x
    x = 106,506,150.02/14,320.78
  6. Step 6: Final answer
    x = 7,437.18

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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.