Home / 17,781.84-26,653.59-9,453.47

Finding the Fourth Proportional to 17,781.84, 26,653.59 and 9,453.47

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Solution

The fourth proportional to 17,781.84, 26,653.59 and 9,453.47 is: 14,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.84 : 26,653.59 = 9,453.47 : x
  2. Step 2: Convert to fraction form
    17,781.84/26,653.59 = 9,453.47/x
  3. Step 3: Cross multiply
    17,781.84x = 26,653.59 × 9,453.47
  4. Step 4: Simplify right side
    17,781.84x = 251,968,780.19
  5. Step 5: Solve for x
    x = 251,968,780.19/17,781.84
  6. Step 6: Final answer
    x = 14,170.01

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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.