Home / 18,298.18-25,252.05-10,340.91

Finding the Fourth Proportional to 18,298.18, 25,252.05 and 10,340.91

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Solution

The fourth proportional to 18,298.18, 25,252.05 and 10,340.91 is: 14,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.18 : 25,252.05 = 10,340.91 : x
  2. Step 2: Convert to fraction form
    18,298.18/25,252.05 = 10,340.91/x
  3. Step 3: Cross multiply
    18,298.18x = 25,252.05 × 10,340.91
  4. Step 4: Simplify right side
    18,298.18x = 261,129,176.37
  5. Step 5: Solve for x
    x = 261,129,176.37/18,298.18
  6. Step 6: Final answer
    x = 14,270.77

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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.