Home / 10,371.80-15,557.70-3,446.30

Finding the Fourth Proportional to 10,371.80, 15,557.70 and 3,446.30

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Solution

The fourth proportional to 10,371.80, 15,557.70 and 3,446.30 is: 5,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.80 : 15,557.70 = 3,446.30 : x
  2. Step 2: Convert to fraction form
    10,371.80/15,557.70 = 3,446.30/x
  3. Step 3: Cross multiply
    10,371.80x = 15,557.70 × 3,446.30
  4. Step 4: Simplify right side
    10,371.80x = 53,616,501.51
  5. Step 5: Solve for x
    x = 53,616,501.51/10,371.80
  6. Step 6: Final answer
    x = 5,169.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.