Home / 14,190.92-19,570.68-8,886.20

Finding the Fourth Proportional to 14,190.92, 19,570.68 and 8,886.20

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Solution

The fourth proportional to 14,190.92, 19,570.68 and 8,886.20 is: 12,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.92 : 19,570.68 = 8,886.20 : x
  2. Step 2: Convert to fraction form
    14,190.92/19,570.68 = 8,886.20/x
  3. Step 3: Cross multiply
    14,190.92x = 19,570.68 × 8,886.20
  4. Step 4: Simplify right side
    14,190.92x = 173,908,976.62
  5. Step 5: Solve for x
    x = 173,908,976.62/14,190.92
  6. Step 6: Final answer
    x = 12,254.95

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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.