Home / 17,678.01-24,395.65-9,720.77

Finding the Fourth Proportional to 17,678.01, 24,395.65 and 9,720.77

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Solution

The fourth proportional to 17,678.01, 24,395.65 and 9,720.77 is: 13,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.01 : 24,395.65 = 9,720.77 : x
  2. Step 2: Convert to fraction form
    17,678.01/24,395.65 = 9,720.77/x
  3. Step 3: Cross multiply
    17,678.01x = 24,395.65 × 9,720.77
  4. Step 4: Simplify right side
    17,678.01x = 237,144,380.67
  5. Step 5: Solve for x
    x = 237,144,380.67/17,678.01
  6. Step 6: Final answer
    x = 13,414.66

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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.