Home / 10,089.64-15,135.90-3,164.68

Finding the Fourth Proportional to 10,089.64, 15,135.90 and 3,164.68

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Solution

The fourth proportional to 10,089.64, 15,135.90 and 3,164.68 is: 4,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.64 : 15,135.90 = 3,164.68 : x
  2. Step 2: Convert to fraction form
    10,089.64/15,135.90 = 3,164.68/x
  3. Step 3: Cross multiply
    10,089.64x = 15,135.90 × 3,164.68
  4. Step 4: Simplify right side
    10,089.64x = 47,900,280.01
  5. Step 5: Solve for x
    x = 47,900,280.01/10,089.64
  6. Step 6: Final answer
    x = 4,747.47

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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.