Home / 18,903.12-26,083.08-10,518

Finding the Fourth Proportional to 18,903.12, 26,083.08 and 10,518

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Solution

The fourth proportional to 18,903.12, 26,083.08 and 10,518 is: 14,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.12 : 26,083.08 = 10,518 : x
  2. Step 2: Convert to fraction form
    18,903.12/26,083.08 = 10,518/x
  3. Step 3: Cross multiply
    18,903.12x = 26,083.08 × 10,518
  4. Step 4: Simplify right side
    18,903.12x = 274,341,835.44
  5. Step 5: Solve for x
    x = 274,341,835.44/18,903.12
  6. Step 6: Final answer
    x = 14,513.05

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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.