Home / 17,256.40-23,821.85-13,009.19

Finding the Fourth Proportional to 17,256.40, 23,821.85 and 13,009.19

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Solution

The fourth proportional to 17,256.40, 23,821.85 and 13,009.19 is: 17,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.40 : 23,821.85 = 13,009.19 : x
  2. Step 2: Convert to fraction form
    17,256.40/23,821.85 = 13,009.19/x
  3. Step 3: Cross multiply
    17,256.40x = 23,821.85 × 13,009.19
  4. Step 4: Simplify right side
    17,256.40x = 309,902,886.22
  5. Step 5: Solve for x
    x = 309,902,886.22/17,256.40
  6. Step 6: Final answer
    x = 17,958.72

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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.