Home / 10,344.19-14,275.28-5,628.77

Finding the Fourth Proportional to 10,344.19, 14,275.28 and 5,628.77

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Solution

The fourth proportional to 10,344.19, 14,275.28 and 5,628.77 is: 7,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.19 : 14,275.28 = 5,628.77 : x
  2. Step 2: Convert to fraction form
    10,344.19/14,275.28 = 5,628.77/x
  3. Step 3: Cross multiply
    10,344.19x = 14,275.28 × 5,628.77
  4. Step 4: Simplify right side
    10,344.19x = 80,352,317.57
  5. Step 5: Solve for x
    x = 80,352,317.57/10,344.19
  6. Step 6: Final answer
    x = 7,767.87

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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.