Home / 10,328.90-14,249.49-6,348.74

Finding the Fourth Proportional to 10,328.90, 14,249.49 and 6,348.74

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Solution

The fourth proportional to 10,328.90, 14,249.49 and 6,348.74 is: 8,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.90 : 14,249.49 = 6,348.74 : x
  2. Step 2: Convert to fraction form
    10,328.90/14,249.49 = 6,348.74/x
  3. Step 3: Cross multiply
    10,328.90x = 14,249.49 × 6,348.74
  4. Step 4: Simplify right side
    10,328.90x = 90,466,307.14
  5. Step 5: Solve for x
    x = 90,466,307.14/10,328.90
  6. Step 6: Final answer
    x = 8,758.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.