Home / 17,088.60-25,613.70-8,765.40

Finding the Fourth Proportional to 17,088.60, 25,613.70 and 8,765.40

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Solution

The fourth proportional to 17,088.60, 25,613.70 and 8,765.40 is: 13,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.60 : 25,613.70 = 8,765.40 : x
  2. Step 2: Convert to fraction form
    17,088.60/25,613.70 = 8,765.40/x
  3. Step 3: Cross multiply
    17,088.60x = 25,613.70 × 8,765.40
  4. Step 4: Simplify right side
    17,088.60x = 224,514,325.98
  5. Step 5: Solve for x
    x = 224,514,325.98/17,088.60
  6. Step 6: Final answer
    x = 13,138.25

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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.