Home / 10,354.81-15,532.25-4,114.42

Finding the Fourth Proportional to 10,354.81, 15,532.25 and 4,114.42

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Solution

The fourth proportional to 10,354.81, 15,532.25 and 4,114.42 is: 6,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.81 : 15,532.25 = 4,114.42 : x
  2. Step 2: Convert to fraction form
    10,354.81/15,532.25 = 4,114.42/x
  3. Step 3: Cross multiply
    10,354.81x = 15,532.25 × 4,114.42
  4. Step 4: Simplify right side
    10,354.81x = 63,906,101.81
  5. Step 5: Solve for x
    x = 63,906,101.81/10,354.81
  6. Step 6: Final answer
    x = 6,171.64

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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.