Home / 15,219.36-22,831.60-4,689.06

Finding the Fourth Proportional to 15,219.36, 22,831.60 and 4,689.06

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Solution

The fourth proportional to 15,219.36, 22,831.60 and 4,689.06 is: 7,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.36 : 22,831.60 = 4,689.06 : x
  2. Step 2: Convert to fraction form
    15,219.36/22,831.60 = 4,689.06/x
  3. Step 3: Cross multiply
    15,219.36x = 22,831.60 × 4,689.06
  4. Step 4: Simplify right side
    15,219.36x = 107,058,833.20
  5. Step 5: Solve for x
    x = 107,058,833.20/15,219.36
  6. Step 6: Final answer
    x = 7,034.39

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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.