Home / 10,255.08-14,177.14-10,161.48

Finding the Fourth Proportional to 10,255.08, 14,177.14 and 10,161.48

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Solution

The fourth proportional to 10,255.08, 14,177.14 and 10,161.48 is: 14,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.08 : 14,177.14 = 10,161.48 : x
  2. Step 2: Convert to fraction form
    10,255.08/14,177.14 = 10,161.48/x
  3. Step 3: Cross multiply
    10,255.08x = 14,177.14 × 10,161.48
  4. Step 4: Simplify right side
    10,255.08x = 144,060,724.57
  5. Step 5: Solve for x
    x = 144,060,724.57/10,255.08
  6. Step 6: Final answer
    x = 14,047.74

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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.