Home / 15,719.40-23,446.65-14,630.76

Finding the Fourth Proportional to 15,719.40, 23,446.65 and 14,630.76

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Solution

The fourth proportional to 15,719.40, 23,446.65 and 14,630.76 is: 21,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.40 : 23,446.65 = 14,630.76 : x
  2. Step 2: Convert to fraction form
    15,719.40/23,446.65 = 14,630.76/x
  3. Step 3: Cross multiply
    15,719.40x = 23,446.65 × 14,630.76
  4. Step 4: Simplify right side
    15,719.40x = 343,042,308.95
  5. Step 5: Solve for x
    x = 343,042,308.95/15,719.40
  6. Step 6: Final answer
    x = 21,822.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.