Home / 10,367.48-15,551.28-7,072.40

Finding the Fourth Proportional to 10,367.48, 15,551.28 and 7,072.40

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Solution

The fourth proportional to 10,367.48, 15,551.28 and 7,072.40 is: 10,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.48 : 15,551.28 = 7,072.40 : x
  2. Step 2: Convert to fraction form
    10,367.48/15,551.28 = 7,072.40/x
  3. Step 3: Cross multiply
    10,367.48x = 15,551.28 × 7,072.40
  4. Step 4: Simplify right side
    10,367.48x = 109,984,794.92
  5. Step 5: Solve for x
    x = 109,984,794.92/10,367.48
  6. Step 6: Final answer
    x = 10,608.64

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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.