Home / 18,319.37-25,279.29-10,765.98

Finding the Fourth Proportional to 18,319.37, 25,279.29 and 10,765.98

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Solution

The fourth proportional to 18,319.37, 25,279.29 and 10,765.98 is: 14,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.37 : 25,279.29 = 10,765.98 : x
  2. Step 2: Convert to fraction form
    18,319.37/25,279.29 = 10,765.98/x
  3. Step 3: Cross multiply
    18,319.37x = 25,279.29 × 10,765.98
  4. Step 4: Simplify right side
    18,319.37x = 272,156,330.55
  5. Step 5: Solve for x
    x = 272,156,330.55/18,319.37
  6. Step 6: Final answer
    x = 14,856.21

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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.