Home / 9,351.17-12,903.87-5,371.50

Finding the Fourth Proportional to 9,351.17, 12,903.87 and 5,371.50

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Solution

The fourth proportional to 9,351.17, 12,903.87 and 5,371.50 is: 7,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.17 : 12,903.87 = 5,371.50 : x
  2. Step 2: Convert to fraction form
    9,351.17/12,903.87 = 5,371.50/x
  3. Step 3: Cross multiply
    9,351.17x = 12,903.87 × 5,371.50
  4. Step 4: Simplify right side
    9,351.17x = 69,313,137.71
  5. Step 5: Solve for x
    x = 69,313,137.71/9,351.17
  6. Step 6: Final answer
    x = 7,412.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.