Home / 10,338.20-14,266.53-5,622.51

Finding the Fourth Proportional to 10,338.20, 14,266.53 and 5,622.51

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Solution

The fourth proportional to 10,338.20, 14,266.53 and 5,622.51 is: 7,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.20 : 14,266.53 = 5,622.51 : x
  2. Step 2: Convert to fraction form
    10,338.20/14,266.53 = 5,622.51/x
  3. Step 3: Cross multiply
    10,338.20x = 14,266.53 × 5,622.51
  4. Step 4: Simplify right side
    10,338.20x = 80,213,707.59
  5. Step 5: Solve for x
    x = 80,213,707.59/10,338.20
  6. Step 6: Final answer
    x = 7,758.97

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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.