Home / 15,734.16-21,722.13-10,436.18

Finding the Fourth Proportional to 15,734.16, 21,722.13 and 10,436.18

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Solution

The fourth proportional to 15,734.16, 21,722.13 and 10,436.18 is: 14,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.16 : 21,722.13 = 10,436.18 : x
  2. Step 2: Convert to fraction form
    15,734.16/21,722.13 = 10,436.18/x
  3. Step 3: Cross multiply
    15,734.16x = 21,722.13 × 10,436.18
  4. Step 4: Simplify right side
    15,734.16x = 226,695,950.05
  5. Step 5: Solve for x
    x = 226,695,950.05/15,734.16
  6. Step 6: Final answer
    x = 14,407.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.