Home / 12,329.18-18,503.36-8,607.24

Finding the Fourth Proportional to 12,329.18, 18,503.36 and 8,607.24

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Solution

The fourth proportional to 12,329.18, 18,503.36 and 8,607.24 is: 12,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.18 : 18,503.36 = 8,607.24 : x
  2. Step 2: Convert to fraction form
    12,329.18/18,503.36 = 8,607.24/x
  3. Step 3: Cross multiply
    12,329.18x = 18,503.36 × 8,607.24
  4. Step 4: Simplify right side
    12,329.18x = 159,262,860.33
  5. Step 5: Solve for x
    x = 159,262,860.33/12,329.18
  6. Step 6: Final answer
    x = 12,917.55

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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.