Home / 10,124.34-13,939.80-8,608.92

Finding the Fourth Proportional to 10,124.34, 13,939.80 and 8,608.92

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Solution

The fourth proportional to 10,124.34, 13,939.80 and 8,608.92 is: 11,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.34 : 13,939.80 = 8,608.92 : x
  2. Step 2: Convert to fraction form
    10,124.34/13,939.80 = 8,608.92/x
  3. Step 3: Cross multiply
    10,124.34x = 13,939.80 × 8,608.92
  4. Step 4: Simplify right side
    10,124.34x = 120,006,623.02
  5. Step 5: Solve for x
    x = 120,006,623.02/10,124.34
  6. Step 6: Final answer
    x = 11,853.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.