Home / 11,328.68-16,988.98-4,306.82

Finding the Fourth Proportional to 11,328.68, 16,988.98 and 4,306.82

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Solution

The fourth proportional to 11,328.68, 16,988.98 and 4,306.82 is: 6,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.68 : 16,988.98 = 4,306.82 : x
  2. Step 2: Convert to fraction form
    11,328.68/16,988.98 = 4,306.82/x
  3. Step 3: Cross multiply
    11,328.68x = 16,988.98 × 4,306.82
  4. Step 4: Simplify right side
    11,328.68x = 73,168,510.55
  5. Step 5: Solve for x
    x = 73,168,510.55/11,328.68
  6. Step 6: Final answer
    x = 6,458.70

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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.