Home / 17,962.16-26,918.53-9,178.72

Finding the Fourth Proportional to 17,962.16, 26,918.53 and 9,178.72

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Solution

The fourth proportional to 17,962.16, 26,918.53 and 9,178.72 is: 13,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,962.16 : 26,918.53 = 9,178.72 : x
  2. Step 2: Convert to fraction form
    17,962.16/26,918.53 = 9,178.72/x
  3. Step 3: Cross multiply
    17,962.16x = 26,918.53 × 9,178.72
  4. Step 4: Simplify right side
    17,962.16x = 247,077,559.44
  5. Step 5: Solve for x
    x = 247,077,559.44/17,962.16
  6. Step 6: Final answer
    x = 13,755.45

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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.