Home / 8,884.16-13,293.35-7,123.78

Finding the Fourth Proportional to 8,884.16, 13,293.35 and 7,123.78

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Solution

The fourth proportional to 8,884.16, 13,293.35 and 7,123.78 is: 10,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.16 : 13,293.35 = 7,123.78 : x
  2. Step 2: Convert to fraction form
    8,884.16/13,293.35 = 7,123.78/x
  3. Step 3: Cross multiply
    8,884.16x = 13,293.35 × 7,123.78
  4. Step 4: Simplify right side
    8,884.16x = 94,698,798.78
  5. Step 5: Solve for x
    x = 94,698,798.78/8,884.16
  6. Step 6: Final answer
    x = 10,659.29

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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.