Home / 13,512.40-20,260.52-4,624.77

Finding the Fourth Proportional to 13,512.40, 20,260.52 and 4,624.77

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Solution

The fourth proportional to 13,512.40, 20,260.52 and 4,624.77 is: 6,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.40 : 20,260.52 = 4,624.77 : x
  2. Step 2: Convert to fraction form
    13,512.40/20,260.52 = 4,624.77/x
  3. Step 3: Cross multiply
    13,512.40x = 20,260.52 × 4,624.77
  4. Step 4: Simplify right side
    13,512.40x = 93,700,120.65
  5. Step 5: Solve for x
    x = 93,700,120.65/13,512.40
  6. Step 6: Final answer
    x = 6,934.38

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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.