Home / 19,010.15-28,523.19-8,472.91

Finding the Fourth Proportional to 19,010.15, 28,523.19 and 8,472.91

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Solution

The fourth proportional to 19,010.15, 28,523.19 and 8,472.91 is: 12,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.15 : 28,523.19 = 8,472.91 : x
  2. Step 2: Convert to fraction form
    19,010.15/28,523.19 = 8,472.91/x
  3. Step 3: Cross multiply
    19,010.15x = 28,523.19 × 8,472.91
  4. Step 4: Simplify right side
    19,010.15x = 241,674,421.78
  5. Step 5: Solve for x
    x = 241,674,421.78/19,010.15
  6. Step 6: Final answer
    x = 12,712.92

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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.