Home / 12,528.33-17,283.06-8,281.05

Finding the Fourth Proportional to 12,528.33, 17,283.06 and 8,281.05

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Solution

The fourth proportional to 12,528.33, 17,283.06 and 8,281.05 is: 11,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.33 : 17,283.06 = 8,281.05 : x
  2. Step 2: Convert to fraction form
    12,528.33/17,283.06 = 8,281.05/x
  3. Step 3: Cross multiply
    12,528.33x = 17,283.06 × 8,281.05
  4. Step 4: Simplify right side
    12,528.33x = 143,121,884.01
  5. Step 5: Solve for x
    x = 143,121,884.01/12,528.33
  6. Step 6: Final answer
    x = 11,423.86

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Double scale
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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.