Home / 19,357.92-29,017.28-13,118.57

Finding the Fourth Proportional to 19,357.92, 29,017.28 and 13,118.57

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Solution

The fourth proportional to 19,357.92, 29,017.28 and 13,118.57 is: 19,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.92 : 29,017.28 = 13,118.57 : x
  2. Step 2: Convert to fraction form
    19,357.92/29,017.28 = 13,118.57/x
  3. Step 3: Cross multiply
    19,357.92x = 29,017.28 × 13,118.57
  4. Step 4: Simplify right side
    19,357.92x = 380,665,008.21
  5. Step 5: Solve for x
    x = 380,665,008.21/19,357.92
  6. Step 6: Final answer
    x = 19,664.56

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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.