Home / 13,057.78-19,589.67-4,292.98

Finding the Fourth Proportional to 13,057.78, 19,589.67 and 4,292.98

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Solution

The fourth proportional to 13,057.78, 19,589.67 and 4,292.98 is: 6,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.78 : 19,589.67 = 4,292.98 : x
  2. Step 2: Convert to fraction form
    13,057.78/19,589.67 = 4,292.98/x
  3. Step 3: Cross multiply
    13,057.78x = 19,589.67 × 4,292.98
  4. Step 4: Simplify right side
    13,057.78x = 84,098,061.52
  5. Step 5: Solve for x
    x = 84,098,061.52/13,057.78
  6. Step 6: Final answer
    x = 6,440.46

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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.