Home / 15,278.90-22,921.88-4,748.36

Finding the Fourth Proportional to 15,278.90, 22,921.88 and 4,748.36

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Solution

The fourth proportional to 15,278.90, 22,921.88 and 4,748.36 is: 7,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.90 : 22,921.88 = 4,748.36 : x
  2. Step 2: Convert to fraction form
    15,278.90/22,921.88 = 4,748.36/x
  3. Step 3: Cross multiply
    15,278.90x = 22,921.88 × 4,748.36
  4. Step 4: Simplify right side
    15,278.90x = 108,841,199.77
  5. Step 5: Solve for x
    x = 108,841,199.77/15,278.90
  6. Step 6: Final answer
    x = 7,123.63

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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.