Home / 17,478.85-26,207.90-6,943.20

Finding the Fourth Proportional to 17,478.85, 26,207.90 and 6,943.20

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Solution

The fourth proportional to 17,478.85, 26,207.90 and 6,943.20 is: 10,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.85 : 26,207.90 = 6,943.20 : x
  2. Step 2: Convert to fraction form
    17,478.85/26,207.90 = 6,943.20/x
  3. Step 3: Cross multiply
    17,478.85x = 26,207.90 × 6,943.20
  4. Step 4: Simplify right side
    17,478.85x = 181,966,656.56
  5. Step 5: Solve for x
    x = 181,966,656.56/17,478.85
  6. Step 6: Final answer
    x = 10,410.68

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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.