Home / 10,295.38-15,515.59-9,309.32

Finding the Fourth Proportional to 10,295.38, 15,515.59 and 9,309.32

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Solution

The fourth proportional to 10,295.38, 15,515.59 and 9,309.32 is: 14,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.38 : 15,515.59 = 9,309.32 : x
  2. Step 2: Convert to fraction form
    10,295.38/15,515.59 = 9,309.32/x
  3. Step 3: Cross multiply
    10,295.38x = 15,515.59 × 9,309.32
  4. Step 4: Simplify right side
    10,295.38x = 144,439,491.45
  5. Step 5: Solve for x
    x = 144,439,491.45/10,295.38
  6. Step 6: Final answer
    x = 14,029.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.