Home / 17,621.50-24,315.45-9,661.63

Finding the Fourth Proportional to 17,621.50, 24,315.45 and 9,661.63

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Solution

The fourth proportional to 17,621.50, 24,315.45 and 9,661.63 is: 13,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.50 : 24,315.45 = 9,661.63 : x
  2. Step 2: Convert to fraction form
    17,621.50/24,315.45 = 9,661.63/x
  3. Step 3: Cross multiply
    17,621.50x = 24,315.45 × 9,661.63
  4. Step 4: Simplify right side
    17,621.50x = 234,926,881.18
  5. Step 5: Solve for x
    x = 234,926,881.18/17,621.50
  6. Step 6: Final answer
    x = 13,331.83

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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.