Home / 19,488.30-29,254.05-12,101.10

Finding the Fourth Proportional to 19,488.30, 29,254.05 and 12,101.10

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Solution

The fourth proportional to 19,488.30, 29,254.05 and 12,101.10 is: 18,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.30 : 29,254.05 = 12,101.10 : x
  2. Step 2: Convert to fraction form
    19,488.30/29,254.05 = 12,101.10/x
  3. Step 3: Cross multiply
    19,488.30x = 29,254.05 × 12,101.10
  4. Step 4: Simplify right side
    19,488.30x = 354,006,184.46
  5. Step 5: Solve for x
    x = 354,006,184.46/19,488.30
  6. Step 6: Final answer
    x = 18,165.06

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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.