Home / 16,911.79-23,341.13-9,842.31

Finding the Fourth Proportional to 16,911.79, 23,341.13 and 9,842.31

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Solution

The fourth proportional to 16,911.79, 23,341.13 and 9,842.31 is: 13,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.79 : 23,341.13 = 9,842.31 : x
  2. Step 2: Convert to fraction form
    16,911.79/23,341.13 = 9,842.31/x
  3. Step 3: Cross multiply
    16,911.79x = 23,341.13 × 9,842.31
  4. Step 4: Simplify right side
    16,911.79x = 229,730,637.21
  5. Step 5: Solve for x
    x = 229,730,637.21/16,911.79
  6. Step 6: Final answer
    x = 13,584.05

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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.