Home / 12,548.36-18,831.18-4,757.24

Finding the Fourth Proportional to 12,548.36, 18,831.18 and 4,757.24

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Solution

The fourth proportional to 12,548.36, 18,831.18 and 4,757.24 is: 7,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.36 : 18,831.18 = 4,757.24 : x
  2. Step 2: Convert to fraction form
    12,548.36/18,831.18 = 4,757.24/x
  3. Step 3: Cross multiply
    12,548.36x = 18,831.18 × 4,757.24
  4. Step 4: Simplify right side
    12,548.36x = 89,584,442.74
  5. Step 5: Solve for x
    x = 89,584,442.74/12,548.36
  6. Step 6: Final answer
    x = 7,139.14

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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.