Home / 18,803.24-28,207.28-6,317.88

Finding the Fourth Proportional to 18,803.24, 28,207.28 and 6,317.88

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Solution

The fourth proportional to 18,803.24, 28,207.28 and 6,317.88 is: 9,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.24 : 28,207.28 = 6,317.88 : x
  2. Step 2: Convert to fraction form
    18,803.24/28,207.28 = 6,317.88/x
  3. Step 3: Cross multiply
    18,803.24x = 28,207.28 × 6,317.88
  4. Step 4: Simplify right side
    18,803.24x = 178,210,210.17
  5. Step 5: Solve for x
    x = 178,210,210.17/18,803.24
  6. Step 6: Final answer
    x = 9,477.63

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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.