Home / 17,053.89-25,580.65-6,665.55

Finding the Fourth Proportional to 17,053.89, 25,580.65 and 6,665.55

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Solution

The fourth proportional to 17,053.89, 25,580.65 and 6,665.55 is: 9,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,053.89 : 25,580.65 = 6,665.55 : x
  2. Step 2: Convert to fraction form
    17,053.89/25,580.65 = 6,665.55/x
  3. Step 3: Cross multiply
    17,053.89x = 25,580.65 × 6,665.55
  4. Step 4: Simplify right side
    17,053.89x = 170,508,973.70
  5. Step 5: Solve for x
    x = 170,508,973.70/17,053.89
  6. Step 6: Final answer
    x = 9,998.25

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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.