Home / 10,426.28-15,626.94-7,289.16

Finding the Fourth Proportional to 10,426.28, 15,626.94 and 7,289.16

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Solution

The fourth proportional to 10,426.28, 15,626.94 and 7,289.16 is: 10,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.28 : 15,626.94 = 7,289.16 : x
  2. Step 2: Convert to fraction form
    10,426.28/15,626.94 = 7,289.16/x
  3. Step 3: Cross multiply
    10,426.28x = 15,626.94 × 7,289.16
  4. Step 4: Simplify right side
    10,426.28x = 113,907,265.97
  5. Step 5: Solve for x
    x = 113,907,265.97/10,426.28
  6. Step 6: Final answer
    x = 10,925.02

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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.