Home / 10,188.63-15,273.81-6,480.45

Finding the Fourth Proportional to 10,188.63, 15,273.81 and 6,480.45

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Solution

The fourth proportional to 10,188.63, 15,273.81 and 6,480.45 is: 9,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.63 : 15,273.81 = 6,480.45 : x
  2. Step 2: Convert to fraction form
    10,188.63/15,273.81 = 6,480.45/x
  3. Step 3: Cross multiply
    10,188.63x = 15,273.81 × 6,480.45
  4. Step 4: Simplify right side
    10,188.63x = 98,981,162.01
  5. Step 5: Solve for x
    x = 98,981,162.01/10,188.63
  6. Step 6: Final answer
    x = 9,714.86

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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.