Home / 19,401.43-29,077.80-8,295.07

Finding the Fourth Proportional to 19,401.43, 29,077.80 and 8,295.07

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Solution

The fourth proportional to 19,401.43, 29,077.80 and 8,295.07 is: 12,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.43 : 29,077.80 = 8,295.07 : x
  2. Step 2: Convert to fraction form
    19,401.43/29,077.80 = 8,295.07/x
  3. Step 3: Cross multiply
    19,401.43x = 29,077.80 × 8,295.07
  4. Step 4: Simplify right side
    19,401.43x = 241,202,386.45
  5. Step 5: Solve for x
    x = 241,202,386.45/19,401.43
  6. Step 6: Final answer
    x = 12,432.20

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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.