Home / 14,748.40-22,122.56-4,888.64

Finding the Fourth Proportional to 14,748.40, 22,122.56 and 4,888.64

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Solution

The fourth proportional to 14,748.40, 22,122.56 and 4,888.64 is: 7,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.40 : 22,122.56 = 4,888.64 : x
  2. Step 2: Convert to fraction form
    14,748.40/22,122.56 = 4,888.64/x
  3. Step 3: Cross multiply
    14,748.40x = 22,122.56 × 4,888.64
  4. Step 4: Simplify right side
    14,748.40x = 108,149,231.72
  5. Step 5: Solve for x
    x = 108,149,231.72/14,748.40
  6. Step 6: Final answer
    x = 7,332.95

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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.