Home / 19,726.20-29,541.11-10,374.08

Finding the Fourth Proportional to 19,726.20, 29,541.11 and 10,374.08

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Solution

The fourth proportional to 19,726.20, 29,541.11 and 10,374.08 is: 15,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.20 : 29,541.11 = 10,374.08 : x
  2. Step 2: Convert to fraction form
    19,726.20/29,541.11 = 10,374.08/x
  3. Step 3: Cross multiply
    19,726.20x = 29,541.11 × 10,374.08
  4. Step 4: Simplify right side
    19,726.20x = 306,461,638.85
  5. Step 5: Solve for x
    x = 306,461,638.85/19,726.20
  6. Step 6: Final answer
    x = 15,535.77

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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.