Home / 18,311.29-25,266.45-10,353.34

Finding the Fourth Proportional to 18,311.29, 25,266.45 and 10,353.34

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Solution

The fourth proportional to 18,311.29, 25,266.45 and 10,353.34 is: 14,285.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.29 : 25,266.45 = 10,353.34 : x
  2. Step 2: Convert to fraction form
    18,311.29/25,266.45 = 10,353.34/x
  3. Step 3: Cross multiply
    18,311.29x = 25,266.45 × 10,353.34
  4. Step 4: Simplify right side
    18,311.29x = 261,592,159.61
  5. Step 5: Solve for x
    x = 261,592,159.61/18,311.29
  6. Step 6: Final answer
    x = 14,285.84

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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.