Home / 10,164.24-15,222.02-6,454.86

Finding the Fourth Proportional to 10,164.24, 15,222.02 and 6,454.86

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Solution

The fourth proportional to 10,164.24, 15,222.02 and 6,454.86 is: 9,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.24 : 15,222.02 = 6,454.86 : x
  2. Step 2: Convert to fraction form
    10,164.24/15,222.02 = 6,454.86/x
  3. Step 3: Cross multiply
    10,164.24x = 15,222.02 × 6,454.86
  4. Step 4: Simplify right side
    10,164.24x = 98,256,008.02
  5. Step 5: Solve for x
    x = 98,256,008.02/10,164.24
  6. Step 6: Final answer
    x = 9,666.83

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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.