Home / 18,699.60-25,804.98-10,315.92

Finding the Fourth Proportional to 18,699.60, 25,804.98 and 10,315.92

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Solution

The fourth proportional to 18,699.60, 25,804.98 and 10,315.92 is: 14,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.60 : 25,804.98 = 10,315.92 : x
  2. Step 2: Convert to fraction form
    18,699.60/25,804.98 = 10,315.92/x
  3. Step 3: Cross multiply
    18,699.60x = 25,804.98 × 10,315.92
  4. Step 4: Simplify right side
    18,699.60x = 266,202,109.28
  5. Step 5: Solve for x
    x = 266,202,109.28/18,699.60
  6. Step 6: Final answer
    x = 14,235.71

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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.