Home / 13,749.93-20,624.90-4,981.95

Finding the Fourth Proportional to 13,749.93, 20,624.90 and 4,981.95

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Solution

The fourth proportional to 13,749.93, 20,624.90 and 4,981.95 is: 7,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.93 : 20,624.90 = 4,981.95 : x
  2. Step 2: Convert to fraction form
    13,749.93/20,624.90 = 4,981.95/x
  3. Step 3: Cross multiply
    13,749.93x = 20,624.90 × 4,981.95
  4. Step 4: Simplify right side
    13,749.93x = 102,752,195.65
  5. Step 5: Solve for x
    x = 102,752,195.65/13,749.93
  6. Step 6: Final answer
    x = 7,472.93

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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.