Home / 19,339.12-29,026.92-12,417.52

Finding the Fourth Proportional to 19,339.12, 29,026.92 and 12,417.52

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Solution

The fourth proportional to 19,339.12, 29,026.92 and 12,417.52 is: 18,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.12 : 29,026.92 = 12,417.52 : x
  2. Step 2: Convert to fraction form
    19,339.12/29,026.92 = 12,417.52/x
  3. Step 3: Cross multiply
    19,339.12x = 29,026.92 × 12,417.52
  4. Step 4: Simplify right side
    19,339.12x = 360,442,359.64
  5. Step 5: Solve for x
    x = 360,442,359.64/19,339.12
  6. Step 6: Final answer
    x = 18,637.99

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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.