Home / 12,232.80-18,336.24-5,306.40

Finding the Fourth Proportional to 12,232.80, 18,336.24 and 5,306.40

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Solution

The fourth proportional to 12,232.80, 18,336.24 and 5,306.40 is: 7,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.80 : 18,336.24 = 5,306.40 : x
  2. Step 2: Convert to fraction form
    12,232.80/18,336.24 = 5,306.40/x
  3. Step 3: Cross multiply
    12,232.80x = 18,336.24 × 5,306.40
  4. Step 4: Simplify right side
    12,232.80x = 97,299,423.94
  5. Step 5: Solve for x
    x = 97,299,423.94/12,232.80
  6. Step 6: Final answer
    x = 7,953.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.