Home / 17,616.98-26,395.75-8,720.45

Finding the Fourth Proportional to 17,616.98, 26,395.75 and 8,720.45

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Solution

The fourth proportional to 17,616.98, 26,395.75 and 8,720.45 is: 13,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.98 : 26,395.75 = 8,720.45 : x
  2. Step 2: Convert to fraction form
    17,616.98/26,395.75 = 8,720.45/x
  3. Step 3: Cross multiply
    17,616.98x = 26,395.75 × 8,720.45
  4. Step 4: Simplify right side
    17,616.98x = 230,182,818.09
  5. Step 5: Solve for x
    x = 230,182,818.09/17,616.98
  6. Step 6: Final answer
    x = 13,065.96

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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.