Home / 11,647.36-17,463.52-4,988.20

Finding the Fourth Proportional to 11,647.36, 17,463.52 and 4,988.20

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Solution

The fourth proportional to 11,647.36, 17,463.52 and 4,988.20 is: 7,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.36 : 17,463.52 = 4,988.20 : x
  2. Step 2: Convert to fraction form
    11,647.36/17,463.52 = 4,988.20/x
  3. Step 3: Cross multiply
    11,647.36x = 17,463.52 × 4,988.20
  4. Step 4: Simplify right side
    11,647.36x = 87,111,530.46
  5. Step 5: Solve for x
    x = 87,111,530.46/11,647.36
  6. Step 6: Final answer
    x = 7,479.08

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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.