Home / 15,876.48-23,806.08-6,640.32

Finding the Fourth Proportional to 15,876.48, 23,806.08 and 6,640.32

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Solution

The fourth proportional to 15,876.48, 23,806.08 and 6,640.32 is: 9,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.48 : 23,806.08 = 6,640.32 : x
  2. Step 2: Convert to fraction form
    15,876.48/23,806.08 = 6,640.32/x
  3. Step 3: Cross multiply
    15,876.48x = 23,806.08 × 6,640.32
  4. Step 4: Simplify right side
    15,876.48x = 158,079,989.15
  5. Step 5: Solve for x
    x = 158,079,989.15/15,876.48
  6. Step 6: Final answer
    x = 9,956.87

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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.