Home / 19,995.24-29,966.85-8,135.19

Finding the Fourth Proportional to 19,995.24, 29,966.85 and 8,135.19

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Solution

The fourth proportional to 19,995.24, 29,966.85 and 8,135.19 is: 12,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.24 : 29,966.85 = 8,135.19 : x
  2. Step 2: Convert to fraction form
    19,995.24/29,966.85 = 8,135.19/x
  3. Step 3: Cross multiply
    19,995.24x = 29,966.85 × 8,135.19
  4. Step 4: Simplify right side
    19,995.24x = 243,785,977.78
  5. Step 5: Solve for x
    x = 243,785,977.78/19,995.24
  6. Step 6: Final answer
    x = 12,192.20

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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.