Home / 19,814.07-29,663.49-15,418.20

Finding the Fourth Proportional to 19,814.07, 29,663.49 and 15,418.20

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Solution

The fourth proportional to 19,814.07, 29,663.49 and 15,418.20 is: 23,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.07 : 29,663.49 = 15,418.20 : x
  2. Step 2: Convert to fraction form
    19,814.07/29,663.49 = 15,418.20/x
  3. Step 3: Cross multiply
    19,814.07x = 29,663.49 × 15,418.20
  4. Step 4: Simplify right side
    19,814.07x = 457,357,621.52
  5. Step 5: Solve for x
    x = 457,357,621.52/19,814.07
  6. Step 6: Final answer
    x = 23,082.47

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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.