Home / 16,860.71-23,269.04-9,788.21

Finding the Fourth Proportional to 16,860.71, 23,269.04 and 9,788.21

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Solution

The fourth proportional to 16,860.71, 23,269.04 and 9,788.21 is: 13,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.71 : 23,269.04 = 9,788.21 : x
  2. Step 2: Convert to fraction form
    16,860.71/23,269.04 = 9,788.21/x
  3. Step 3: Cross multiply
    16,860.71x = 23,269.04 × 9,788.21
  4. Step 4: Simplify right side
    16,860.71x = 227,762,201.08
  5. Step 5: Solve for x
    x = 227,762,201.08/16,860.71
  6. Step 6: Final answer
    x = 13,508.46

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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.