Home / 10,888.20-16,332.39-3,492.72

Finding the Fourth Proportional to 10,888.20, 16,332.39 and 3,492.72

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Solution

The fourth proportional to 10,888.20, 16,332.39 and 3,492.72 is: 5,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.20 : 16,332.39 = 3,492.72 : x
  2. Step 2: Convert to fraction form
    10,888.20/16,332.39 = 3,492.72/x
  3. Step 3: Cross multiply
    10,888.20x = 16,332.39 × 3,492.72
  4. Step 4: Simplify right side
    10,888.20x = 57,044,465.20
  5. Step 5: Solve for x
    x = 57,044,465.20/10,888.20
  6. Step 6: Final answer
    x = 5,239.11

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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.