Home / 12,551.37-18,831.11-7,559.16

Finding the Fourth Proportional to 12,551.37, 18,831.11 and 7,559.16

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Solution

The fourth proportional to 12,551.37, 18,831.11 and 7,559.16 is: 11,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.37 : 18,831.11 = 7,559.16 : x
  2. Step 2: Convert to fraction form
    12,551.37/18,831.11 = 7,559.16/x
  3. Step 3: Cross multiply
    12,551.37x = 18,831.11 × 7,559.16
  4. Step 4: Simplify right side
    12,551.37x = 142,347,335.67
  5. Step 5: Solve for x
    x = 142,347,335.67/12,551.37
  6. Step 6: Final answer
    x = 11,341.18

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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.