Home / 21,423.60-32,126.52-8,094.29

Finding the Fourth Proportional to 21,423.60, 32,126.52 and 8,094.29

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Solution

The fourth proportional to 21,423.60, 32,126.52 and 8,094.29 is: 12,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423.60 : 32,126.52 = 8,094.29 : x
  2. Step 2: Convert to fraction form
    21,423.60/32,126.52 = 8,094.29/x
  3. Step 3: Cross multiply
    21,423.60x = 32,126.52 × 8,094.29
  4. Step 4: Simplify right side
    21,423.60x = 260,041,413.96
  5. Step 5: Solve for x
    x = 260,041,413.96/21,423.60
  6. Step 6: Final answer
    x = 12,138.08

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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.