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Finding the Fourth Proportional to 17,221.54, 25,832.04 and 9,426.10

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Solution

The fourth proportional to 17,221.54, 25,832.04 and 9,426.10 is: 14,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.54 : 25,832.04 = 9,426.10 : x
  2. Step 2: Convert to fraction form
    17,221.54/25,832.04 = 9,426.10/x
  3. Step 3: Cross multiply
    17,221.54x = 25,832.04 × 9,426.10
  4. Step 4: Simplify right side
    17,221.54x = 243,495,392.24
  5. Step 5: Solve for x
    x = 243,495,392.24/17,221.54
  6. Step 6: Final answer
    x = 14,139.00

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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.