Home / 15,219.50-22,831.07-4,126.55

Finding the Fourth Proportional to 15,219.50, 22,831.07 and 4,126.55

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Solution

The fourth proportional to 15,219.50, 22,831.07 and 4,126.55 is: 6,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.50 : 22,831.07 = 4,126.55 : x
  2. Step 2: Convert to fraction form
    15,219.50/22,831.07 = 4,126.55/x
  3. Step 3: Cross multiply
    15,219.50x = 22,831.07 × 4,126.55
  4. Step 4: Simplify right side
    15,219.50x = 94,213,417.12
  5. Step 5: Solve for x
    x = 94,213,417.12/15,219.50
  6. Step 6: Final answer
    x = 6,190.31

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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.