Home / 10,344.40-14,275.84-5,628.56

Finding the Fourth Proportional to 10,344.40, 14,275.84 and 5,628.56

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Solution

The fourth proportional to 10,344.40, 14,275.84 and 5,628.56 is: 7,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.40 : 14,275.84 = 5,628.56 : x
  2. Step 2: Convert to fraction form
    10,344.40/14,275.84 = 5,628.56/x
  3. Step 3: Cross multiply
    10,344.40x = 14,275.84 × 5,628.56
  4. Step 4: Simplify right side
    10,344.40x = 80,352,421.99
  5. Step 5: Solve for x
    x = 80,352,421.99/10,344.40
  6. Step 6: Final answer
    x = 7,767.72

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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.