Home / 18,422.45-25,422.98-10,038.95

Finding the Fourth Proportional to 18,422.45, 25,422.98 and 10,038.95

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Solution

The fourth proportional to 18,422.45, 25,422.98 and 10,038.95 is: 13,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.45 : 25,422.98 = 10,038.95 : x
  2. Step 2: Convert to fraction form
    18,422.45/25,422.98 = 10,038.95/x
  3. Step 3: Cross multiply
    18,422.45x = 25,422.98 × 10,038.95
  4. Step 4: Simplify right side
    18,422.45x = 255,220,025.07
  5. Step 5: Solve for x
    x = 255,220,025.07/18,422.45
  6. Step 6: Final answer
    x = 13,853.75

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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.