Home / 9,270.36-13,909.08-5,575.20

Finding the Fourth Proportional to 9,270.36, 13,909.08 and 5,575.20

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Solution

The fourth proportional to 9,270.36, 13,909.08 and 5,575.20 is: 8,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.36 : 13,909.08 = 5,575.20 : x
  2. Step 2: Convert to fraction form
    9,270.36/13,909.08 = 5,575.20/x
  3. Step 3: Cross multiply
    9,270.36x = 13,909.08 × 5,575.20
  4. Step 4: Simplify right side
    9,270.36x = 77,545,902.82
  5. Step 5: Solve for x
    x = 77,545,902.82/9,270.36
  6. Step 6: Final answer
    x = 8,364.93

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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.