Home / 10,557.44-15,831.48-5,626.16

Finding the Fourth Proportional to 10,557.44, 15,831.48 and 5,626.16

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Solution

The fourth proportional to 10,557.44, 15,831.48 and 5,626.16 is: 8,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.44 : 15,831.48 = 5,626.16 : x
  2. Step 2: Convert to fraction form
    10,557.44/15,831.48 = 5,626.16/x
  3. Step 3: Cross multiply
    10,557.44x = 15,831.48 × 5,626.16
  4. Step 4: Simplify right side
    10,557.44x = 89,070,439.52
  5. Step 5: Solve for x
    x = 89,070,439.52/10,557.44
  6. Step 6: Final answer
    x = 8,436.75

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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.