Home / 19,979.27-29,967.71-7,498.24

Finding the Fourth Proportional to 19,979.27, 29,967.71 and 7,498.24

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Solution

The fourth proportional to 19,979.27, 29,967.71 and 7,498.24 is: 11,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.27 : 29,967.71 = 7,498.24 : x
  2. Step 2: Convert to fraction form
    19,979.27/29,967.71 = 7,498.24/x
  3. Step 3: Cross multiply
    19,979.27x = 29,967.71 × 7,498.24
  4. Step 4: Simplify right side
    19,979.27x = 224,704,931.99
  5. Step 5: Solve for x
    x = 224,704,931.99/19,979.27
  6. Step 6: Final answer
    x = 11,246.91

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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.