Home / 11,378.40-17,065.22-4,356.08

Finding the Fourth Proportional to 11,378.40, 17,065.22 and 4,356.08

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Solution

The fourth proportional to 11,378.40, 17,065.22 and 4,356.08 is: 6,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.40 : 17,065.22 = 4,356.08 : x
  2. Step 2: Convert to fraction form
    11,378.40/17,065.22 = 4,356.08/x
  3. Step 3: Cross multiply
    11,378.40x = 17,065.22 × 4,356.08
  4. Step 4: Simplify right side
    11,378.40x = 74,337,463.54
  5. Step 5: Solve for x
    x = 74,337,463.54/11,378.40
  6. Step 6: Final answer
    x = 6,533.21

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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.