Home / 13,518.32-20,277.47-4,751.19

Finding the Fourth Proportional to 13,518.32, 20,277.47 and 4,751.19

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Solution

The fourth proportional to 13,518.32, 20,277.47 and 4,751.19 is: 7,126.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.32 : 20,277.47 = 4,751.19 : x
  2. Step 2: Convert to fraction form
    13,518.32/20,277.47 = 4,751.19/x
  3. Step 3: Cross multiply
    13,518.32x = 20,277.47 × 4,751.19
  4. Step 4: Simplify right side
    13,518.32x = 96,342,124.57
  5. Step 5: Solve for x
    x = 96,342,124.57/13,518.32
  6. Step 6: Final answer
    x = 7,126.79

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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.