Home / 18,038.18-24,891.77-10,078.85

Finding the Fourth Proportional to 18,038.18, 24,891.77 and 10,078.85

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Solution

The fourth proportional to 18,038.18, 24,891.77 and 10,078.85 is: 13,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.18 : 24,891.77 = 10,078.85 : x
  2. Step 2: Convert to fraction form
    18,038.18/24,891.77 = 10,078.85/x
  3. Step 3: Cross multiply
    18,038.18x = 24,891.77 × 10,078.85
  4. Step 4: Simplify right side
    18,038.18x = 250,880,365.67
  5. Step 5: Solve for x
    x = 250,880,365.67/18,038.18
  6. Step 6: Final answer
    x = 13,908.30

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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.