Home / 18,810.08-28,216.54-6,330.14

Finding the Fourth Proportional to 18,810.08, 28,216.54 and 6,330.14

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Solution

The fourth proportional to 18,810.08, 28,216.54 and 6,330.14 is: 9,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.08 : 28,216.54 = 6,330.14 : x
  2. Step 2: Convert to fraction form
    18,810.08/28,216.54 = 6,330.14/x
  3. Step 3: Cross multiply
    18,810.08x = 28,216.54 × 6,330.14
  4. Step 4: Simplify right side
    18,810.08x = 178,614,648.52
  5. Step 5: Solve for x
    x = 178,614,648.52/18,810.08
  6. Step 6: Final answer
    x = 9,495.69

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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.