Home / 12,152.41-18,217.67-4,359.40

Finding the Fourth Proportional to 12,152.41, 18,217.67 and 4,359.40

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Solution

The fourth proportional to 12,152.41, 18,217.67 and 4,359.40 is: 6,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.41 : 18,217.67 = 4,359.40 : x
  2. Step 2: Convert to fraction form
    12,152.41/18,217.67 = 4,359.40/x
  3. Step 3: Cross multiply
    12,152.41x = 18,217.67 × 4,359.40
  4. Step 4: Simplify right side
    12,152.41x = 79,418,110.60
  5. Step 5: Solve for x
    x = 79,418,110.60/12,152.41
  6. Step 6: Final answer
    x = 6,535.17

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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.