Home / 12,585.74-17,366.43-7,207.34

Finding the Fourth Proportional to 12,585.74, 17,366.43 and 7,207.34

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Solution

The fourth proportional to 12,585.74, 17,366.43 and 7,207.34 is: 9,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.74 : 17,366.43 = 7,207.34 : x
  2. Step 2: Convert to fraction form
    12,585.74/17,366.43 = 7,207.34/x
  3. Step 3: Cross multiply
    12,585.74x = 17,366.43 × 7,207.34
  4. Step 4: Simplify right side
    12,585.74x = 125,165,803.69
  5. Step 5: Solve for x
    x = 125,165,803.69/12,585.74
  6. Step 6: Final answer
    x = 9,945.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.