Home / 14,140.80-19,514.85-7,767.93

Finding the Fourth Proportional to 14,140.80, 19,514.85 and 7,767.93

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Solution

The fourth proportional to 14,140.80, 19,514.85 and 7,767.93 is: 10,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.80 : 19,514.85 = 7,767.93 : x
  2. Step 2: Convert to fraction form
    14,140.80/19,514.85 = 7,767.93/x
  3. Step 3: Cross multiply
    14,140.80x = 19,514.85 × 7,767.93
  4. Step 4: Simplify right side
    14,140.80x = 151,589,988.76
  5. Step 5: Solve for x
    x = 151,589,988.76/14,140.80
  6. Step 6: Final answer
    x = 10,720.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.