Home / 10,344.68-14,275.98-5,629.28

Finding the Fourth Proportional to 10,344.68, 14,275.98 and 5,629.28

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Solution

The fourth proportional to 10,344.68, 14,275.98 and 5,629.28 is: 7,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.68 : 14,275.98 = 5,629.28 : x
  2. Step 2: Convert to fraction form
    10,344.68/14,275.98 = 5,629.28/x
  3. Step 3: Cross multiply
    10,344.68x = 14,275.98 × 5,629.28
  4. Step 4: Simplify right side
    10,344.68x = 80,363,488.69
  5. Step 5: Solve for x
    x = 80,363,488.69/10,344.68
  6. Step 6: Final answer
    x = 7,768.58

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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.