Home / 17,570.20-26,359.80-10,161.40

Finding the Fourth Proportional to 17,570.20, 26,359.80 and 10,161.40

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Solution

The fourth proportional to 17,570.20, 26,359.80 and 10,161.40 is: 15,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,570.20 : 26,359.80 = 10,161.40 : x
  2. Step 2: Convert to fraction form
    17,570.20/26,359.80 = 10,161.40/x
  3. Step 3: Cross multiply
    17,570.20x = 26,359.80 × 10,161.40
  4. Step 4: Simplify right side
    17,570.20x = 267,852,471.72
  5. Step 5: Solve for x
    x = 267,852,471.72/17,570.20
  6. Step 6: Final answer
    x = 15,244.70

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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.