Home / 12,554.08-18,831.12-4,762.90

Finding the Fourth Proportional to 12,554.08, 18,831.12 and 4,762.90

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Solution

The fourth proportional to 12,554.08, 18,831.12 and 4,762.90 is: 7,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.08 : 18,831.12 = 4,762.90 : x
  2. Step 2: Convert to fraction form
    12,554.08/18,831.12 = 4,762.90/x
  3. Step 3: Cross multiply
    12,554.08x = 18,831.12 × 4,762.90
  4. Step 4: Simplify right side
    12,554.08x = 89,690,741.45
  5. Step 5: Solve for x
    x = 89,690,741.45/12,554.08
  6. Step 6: Final answer
    x = 7,144.35

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Similar ratio
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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.