Home / 16,984.69-23,438.87-9,909.74

Finding the Fourth Proportional to 16,984.69, 23,438.87 and 9,909.74

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Solution

The fourth proportional to 16,984.69, 23,438.87 and 9,909.74 is: 13,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.69 : 23,438.87 = 9,909.74 : x
  2. Step 2: Convert to fraction form
    16,984.69/23,438.87 = 9,909.74/x
  3. Step 3: Cross multiply
    16,984.69x = 23,438.87 × 9,909.74
  4. Step 4: Simplify right side
    16,984.69x = 232,273,153.80
  5. Step 5: Solve for x
    x = 232,273,153.80/16,984.69
  6. Step 6: Final answer
    x = 13,675.44

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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.