Home / 13,234.79-18,263.78-7,266.42

Finding the Fourth Proportional to 13,234.79, 18,263.78 and 7,266.42

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Solution

The fourth proportional to 13,234.79, 18,263.78 and 7,266.42 is: 10,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.79 : 18,263.78 = 7,266.42 : x
  2. Step 2: Convert to fraction form
    13,234.79/18,263.78 = 7,266.42/x
  3. Step 3: Cross multiply
    13,234.79x = 18,263.78 × 7,266.42
  4. Step 4: Simplify right side
    13,234.79x = 132,712,204.95
  5. Step 5: Solve for x
    x = 132,712,204.95/13,234.79
  6. Step 6: Final answer
    x = 10,027.53

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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.