Home / 19,689.72-29,501.16-11,882.13

Finding the Fourth Proportional to 19,689.72, 29,501.16 and 11,882.13

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Solution

The fourth proportional to 19,689.72, 29,501.16 and 11,882.13 is: 17,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.72 : 29,501.16 = 11,882.13 : x
  2. Step 2: Convert to fraction form
    19,689.72/29,501.16 = 11,882.13/x
  3. Step 3: Cross multiply
    19,689.72x = 29,501.16 × 11,882.13
  4. Step 4: Simplify right side
    19,689.72x = 350,536,618.27
  5. Step 5: Solve for x
    x = 350,536,618.27/19,689.72
  6. Step 6: Final answer
    x = 17,803.03

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1.5x scale

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.