Home / 18,855.28-28,293.80-10,095.08

Finding the Fourth Proportional to 18,855.28, 28,293.80 and 10,095.08

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Solution

The fourth proportional to 18,855.28, 28,293.80 and 10,095.08 is: 15,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.28 : 28,293.80 = 10,095.08 : x
  2. Step 2: Convert to fraction form
    18,855.28/28,293.80 = 10,095.08/x
  3. Step 3: Cross multiply
    18,855.28x = 28,293.80 × 10,095.08
  4. Step 4: Simplify right side
    18,855.28x = 285,628,174.50
  5. Step 5: Solve for x
    x = 285,628,174.50/18,855.28
  6. Step 6: Final answer
    x = 15,148.45

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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.