Home / 10,255.20-15,295.34-10,077.59

Finding the Fourth Proportional to 10,255.20, 15,295.34 and 10,077.59

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Solution

The fourth proportional to 10,255.20, 15,295.34 and 10,077.59 is: 15,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.20 : 15,295.34 = 10,077.59 : x
  2. Step 2: Convert to fraction form
    10,255.20/15,295.34 = 10,077.59/x
  3. Step 3: Cross multiply
    10,255.20x = 15,295.34 × 10,077.59
  4. Step 4: Simplify right side
    10,255.20x = 154,140,038.57
  5. Step 5: Solve for x
    x = 154,140,038.57/10,255.20
  6. Step 6: Final answer
    x = 15,030.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.