Home / 17,666.57-26,442.17-12,985.34

Finding the Fourth Proportional to 17,666.57, 26,442.17 and 12,985.34

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Solution

The fourth proportional to 17,666.57, 26,442.17 and 12,985.34 is: 19,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.57 : 26,442.17 = 12,985.34 : x
  2. Step 2: Convert to fraction form
    17,666.57/26,442.17 = 12,985.34/x
  3. Step 3: Cross multiply
    17,666.57x = 26,442.17 × 12,985.34
  4. Step 4: Simplify right side
    17,666.57x = 343,360,568.97
  5. Step 5: Solve for x
    x = 343,360,568.97/17,666.57
  6. Step 6: Final answer
    x = 19,435.62

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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.