Home / 9,376.24-14,065.20-5,478.40

Finding the Fourth Proportional to 9,376.24, 14,065.20 and 5,478.40

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Solution

The fourth proportional to 9,376.24, 14,065.20 and 5,478.40 is: 8,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.24 : 14,065.20 = 5,478.40 : x
  2. Step 2: Convert to fraction form
    9,376.24/14,065.20 = 5,478.40/x
  3. Step 3: Cross multiply
    9,376.24x = 14,065.20 × 5,478.40
  4. Step 4: Simplify right side
    9,376.24x = 77,054,791.68
  5. Step 5: Solve for x
    x = 77,054,791.68/9,376.24
  6. Step 6: Final answer
    x = 8,218.09

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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.