Home / 21,037.29-29,034.62-13,492.14

Finding the Fourth Proportional to 21,037.29, 29,034.62 and 13,492.14

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Solution

The fourth proportional to 21,037.29, 29,034.62 and 13,492.14 is: 18,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.29 : 29,034.62 = 13,492.14 : x
  2. Step 2: Convert to fraction form
    21,037.29/29,034.62 = 13,492.14/x
  3. Step 3: Cross multiply
    21,037.29x = 29,034.62 × 13,492.14
  4. Step 4: Simplify right side
    21,037.29x = 391,739,090.43
  5. Step 5: Solve for x
    x = 391,739,090.43/21,037.29
  6. Step 6: Final answer
    x = 18,621.18

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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.