Home / 10,938.40-16,392.23-6,251.39

Finding the Fourth Proportional to 10,938.40, 16,392.23 and 6,251.39

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Solution

The fourth proportional to 10,938.40, 16,392.23 and 6,251.39 is: 9,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.40 : 16,392.23 = 6,251.39 : x
  2. Step 2: Convert to fraction form
    10,938.40/16,392.23 = 6,251.39/x
  3. Step 3: Cross multiply
    10,938.40x = 16,392.23 × 6,251.39
  4. Step 4: Simplify right side
    10,938.40x = 102,474,222.70
  5. Step 5: Solve for x
    x = 102,474,222.70/10,938.40
  6. Step 6: Final answer
    x = 9,368.30

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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.