Home / 15,552.93-21,446.10-10,508.40

Finding the Fourth Proportional to 15,552.93, 21,446.10 and 10,508.40

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Solution

The fourth proportional to 15,552.93, 21,446.10 and 10,508.40 is: 14,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.93 : 21,446.10 = 10,508.40 : x
  2. Step 2: Convert to fraction form
    15,552.93/21,446.10 = 10,508.40/x
  3. Step 3: Cross multiply
    15,552.93x = 21,446.10 × 10,508.40
  4. Step 4: Simplify right side
    15,552.93x = 225,364,197.24
  5. Step 5: Solve for x
    x = 225,364,197.24/15,552.93
  6. Step 6: Final answer
    x = 14,490.14

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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.