Home / 14,515.65-21,751.40-6,613.56

Finding the Fourth Proportional to 14,515.65, 21,751.40 and 6,613.56

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Solution

The fourth proportional to 14,515.65, 21,751.40 and 6,613.56 is: 9,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.65 : 21,751.40 = 6,613.56 : x
  2. Step 2: Convert to fraction form
    14,515.65/21,751.40 = 6,613.56/x
  3. Step 3: Cross multiply
    14,515.65x = 21,751.40 × 6,613.56
  4. Step 4: Simplify right side
    14,515.65x = 143,854,155.92
  5. Step 5: Solve for x
    x = 143,854,155.92/14,515.65
  6. Step 6: Final answer
    x = 9,910.28

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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.