Home / 19,217.19-28,818.85-8,124.74

Finding the Fourth Proportional to 19,217.19, 28,818.85 and 8,124.74

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Solution

The fourth proportional to 19,217.19, 28,818.85 and 8,124.74 is: 12,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.19 : 28,818.85 = 8,124.74 : x
  2. Step 2: Convert to fraction form
    19,217.19/28,818.85 = 8,124.74/x
  3. Step 3: Cross multiply
    19,217.19x = 28,818.85 × 8,124.74
  4. Step 4: Simplify right side
    19,217.19x = 234,145,663.35
  5. Step 5: Solve for x
    x = 234,145,663.35/19,217.19
  6. Step 6: Final answer
    x = 12,184.18

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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.