Home / 17,390.74-23,999.40-9,837.15

Finding the Fourth Proportional to 17,390.74, 23,999.40 and 9,837.15

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Solution

The fourth proportional to 17,390.74, 23,999.40 and 9,837.15 is: 13,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.74 : 23,999.40 = 9,837.15 : x
  2. Step 2: Convert to fraction form
    17,390.74/23,999.40 = 9,837.15/x
  3. Step 3: Cross multiply
    17,390.74x = 23,999.40 × 9,837.15
  4. Step 4: Simplify right side
    17,390.74x = 236,085,697.71
  5. Step 5: Solve for x
    x = 236,085,697.71/17,390.74
  6. Step 6: Final answer
    x = 13,575.37

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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.