Home / 10,552.94-15,831.12-3,979.70

Finding the Fourth Proportional to 10,552.94, 15,831.12 and 3,979.70

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Solution

The fourth proportional to 10,552.94, 15,831.12 and 3,979.70 is: 5,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.94 : 15,831.12 = 3,979.70 : x
  2. Step 2: Convert to fraction form
    10,552.94/15,831.12 = 3,979.70/x
  3. Step 3: Cross multiply
    10,552.94x = 15,831.12 × 3,979.70
  4. Step 4: Simplify right side
    10,552.94x = 63,003,108.26
  5. Step 5: Solve for x
    x = 63,003,108.26/10,552.94
  6. Step 6: Final answer
    x = 5,970.19

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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.