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Finding the Fourth Proportional to 17,242.07, 25,821.18 and 9,824.19

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Solution

The fourth proportional to 17,242.07, 25,821.18 and 9,824.19 is: 14,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,242.07 : 25,821.18 = 9,824.19 : x
  2. Step 2: Convert to fraction form
    17,242.07/25,821.18 = 9,824.19/x
  3. Step 3: Cross multiply
    17,242.07x = 25,821.18 × 9,824.19
  4. Step 4: Simplify right side
    17,242.07x = 253,672,081.51
  5. Step 5: Solve for x
    x = 253,672,081.51/17,242.07
  6. Step 6: Final answer
    x = 14,712.40

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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.