Home / 15,520.51-23,281.67-4,426.35

Finding the Fourth Proportional to 15,520.51, 23,281.67 and 4,426.35

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Solution

The fourth proportional to 15,520.51, 23,281.67 and 4,426.35 is: 6,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.51 : 23,281.67 = 4,426.35 : x
  2. Step 2: Convert to fraction form
    15,520.51/23,281.67 = 4,426.35/x
  3. Step 3: Cross multiply
    15,520.51x = 23,281.67 × 4,426.35
  4. Step 4: Simplify right side
    15,520.51x = 103,052,820.00
  5. Step 5: Solve for x
    x = 103,052,820.00/15,520.51
  6. Step 6: Final answer
    x = 6,639.78

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Similar ratio
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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.