Home / 17,678.85-24,397.43-9,721.68

Finding the Fourth Proportional to 17,678.85, 24,397.43 and 9,721.68

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Solution

The fourth proportional to 17,678.85, 24,397.43 and 9,721.68 is: 13,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.85 : 24,397.43 = 9,721.68 : x
  2. Step 2: Convert to fraction form
    17,678.85/24,397.43 = 9,721.68/x
  3. Step 3: Cross multiply
    17,678.85x = 24,397.43 × 9,721.68
  4. Step 4: Simplify right side
    17,678.85x = 237,184,007.28
  5. Step 5: Solve for x
    x = 237,184,007.28/17,678.85
  6. Step 6: Final answer
    x = 13,416.26

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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.