Home / 16,317.13-22,518.10-9,243.55

Finding the Fourth Proportional to 16,317.13, 22,518.10 and 9,243.55

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Solution

The fourth proportional to 16,317.13, 22,518.10 and 9,243.55 is: 12,756.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,317.13 : 22,518.10 = 9,243.55 : x
  2. Step 2: Convert to fraction form
    16,317.13/22,518.10 = 9,243.55/x
  3. Step 3: Cross multiply
    16,317.13x = 22,518.10 × 9,243.55
  4. Step 4: Simplify right side
    16,317.13x = 208,147,137.04
  5. Step 5: Solve for x
    x = 208,147,137.04/16,317.13
  6. Step 6: Final answer
    x = 12,756.36

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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.