Home / 10,515.92-14,509.95-6,324.44

Finding the Fourth Proportional to 10,515.92, 14,509.95 and 6,324.44

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Solution

The fourth proportional to 10,515.92, 14,509.95 and 6,324.44 is: 8,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.92 : 14,509.95 = 6,324.44 : x
  2. Step 2: Convert to fraction form
    10,515.92/14,509.95 = 6,324.44/x
  3. Step 3: Cross multiply
    10,515.92x = 14,509.95 × 6,324.44
  4. Step 4: Simplify right side
    10,515.92x = 91,767,308.18
  5. Step 5: Solve for x
    x = 91,767,308.18/10,515.92
  6. Step 6: Final answer
    x = 8,726.51

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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.