Home / 19,230.32-26,543.40-11,272.88

Finding the Fourth Proportional to 19,230.32, 26,543.40 and 11,272.88

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Solution

The fourth proportional to 19,230.32, 26,543.40 and 11,272.88 is: 15,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.32 : 26,543.40 = 11,272.88 : x
  2. Step 2: Convert to fraction form
    19,230.32/26,543.40 = 11,272.88/x
  3. Step 3: Cross multiply
    19,230.32x = 26,543.40 × 11,272.88
  4. Step 4: Simplify right side
    19,230.32x = 299,220,562.99
  5. Step 5: Solve for x
    x = 299,220,562.99/19,230.32
  6. Step 6: Final answer
    x = 15,559.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.