Home / 8,824.50-12,167.01-6,930.18

Finding the Fourth Proportional to 8,824.50, 12,167.01 and 6,930.18

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Solution

The fourth proportional to 8,824.50, 12,167.01 and 6,930.18 is: 9,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.50 : 12,167.01 = 6,930.18 : x
  2. Step 2: Convert to fraction form
    8,824.50/12,167.01 = 6,930.18/x
  3. Step 3: Cross multiply
    8,824.50x = 12,167.01 × 6,930.18
  4. Step 4: Simplify right side
    8,824.50x = 84,319,569.36
  5. Step 5: Solve for x
    x = 84,319,569.36/8,824.50
  6. Step 6: Final answer
    x = 9,555.17

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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.