Home / 10,315.43-15,473.19-4,391.48

Finding the Fourth Proportional to 10,315.43, 15,473.19 and 4,391.48

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Solution

The fourth proportional to 10,315.43, 15,473.19 and 4,391.48 is: 6,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.43 : 15,473.19 = 4,391.48 : x
  2. Step 2: Convert to fraction form
    10,315.43/15,473.19 = 4,391.48/x
  3. Step 3: Cross multiply
    10,315.43x = 15,473.19 × 4,391.48
  4. Step 4: Simplify right side
    10,315.43x = 67,950,127.06
  5. Step 5: Solve for x
    x = 67,950,127.06/10,315.43
  6. Step 6: Final answer
    x = 6,587.23

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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.