Home / 18,863.08-28,292.70-5,013.16

Finding the Fourth Proportional to 18,863.08, 28,292.70 and 5,013.16

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Solution

The fourth proportional to 18,863.08, 28,292.70 and 5,013.16 is: 7,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.08 : 28,292.70 = 5,013.16 : x
  2. Step 2: Convert to fraction form
    18,863.08/28,292.70 = 5,013.16/x
  3. Step 3: Cross multiply
    18,863.08x = 28,292.70 × 5,013.16
  4. Step 4: Simplify right side
    18,863.08x = 141,835,831.93
  5. Step 5: Solve for x
    x = 141,835,831.93/18,863.08
  6. Step 6: Final answer
    x = 7,519.23

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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.