Home / 20,326.18-30,490.26-6,295.90

Finding the Fourth Proportional to 20,326.18, 30,490.26 and 6,295.90

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Solution

The fourth proportional to 20,326.18, 30,490.26 and 6,295.90 is: 9,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.18 : 30,490.26 = 6,295.90 : x
  2. Step 2: Convert to fraction form
    20,326.18/30,490.26 = 6,295.90/x
  3. Step 3: Cross multiply
    20,326.18x = 30,490.26 × 6,295.90
  4. Step 4: Simplify right side
    20,326.18x = 191,963,627.93
  5. Step 5: Solve for x
    x = 191,963,627.93/20,326.18
  6. Step 6: Final answer
    x = 9,444.16

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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.