Home / 10,942.50-16,328.35-9,764.40

Finding the Fourth Proportional to 10,942.50, 16,328.35 and 9,764.40

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Solution

The fourth proportional to 10,942.50, 16,328.35 and 9,764.40 is: 14,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.50 : 16,328.35 = 9,764.40 : x
  2. Step 2: Convert to fraction form
    10,942.50/16,328.35 = 9,764.40/x
  3. Step 3: Cross multiply
    10,942.50x = 16,328.35 × 9,764.40
  4. Step 4: Simplify right side
    10,942.50x = 159,436,540.74
  5. Step 5: Solve for x
    x = 159,436,540.74/10,942.50
  6. Step 6: Final answer
    x = 14,570.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.