Home / 8,365.50-12,541.10-3,432.06

Finding the Fourth Proportional to 8,365.50, 12,541.10 and 3,432.06

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Solution

The fourth proportional to 8,365.50, 12,541.10 and 3,432.06 is: 5,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.50 : 12,541.10 = 3,432.06 : x
  2. Step 2: Convert to fraction form
    8,365.50/12,541.10 = 3,432.06/x
  3. Step 3: Cross multiply
    8,365.50x = 12,541.10 × 3,432.06
  4. Step 4: Simplify right side
    8,365.50x = 43,041,790.51
  5. Step 5: Solve for x
    x = 43,041,790.51/8,365.50
  6. Step 6: Final answer
    x = 5,145.15

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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.