Home / 21,403.23-32,112.42-9,555.90

Finding the Fourth Proportional to 21,403.23, 32,112.42 and 9,555.90

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Solution

The fourth proportional to 21,403.23, 32,112.42 and 9,555.90 is: 14,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.23 : 32,112.42 = 9,555.90 : x
  2. Step 2: Convert to fraction form
    21,403.23/32,112.42 = 9,555.90/x
  3. Step 3: Cross multiply
    21,403.23x = 32,112.42 × 9,555.90
  4. Step 4: Simplify right side
    21,403.23x = 306,863,074.28
  5. Step 5: Solve for x
    x = 306,863,074.28/21,403.23
  6. Step 6: Final answer
    x = 14,337.23

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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.