Home / 15,647.06-21,593.23-8,477.12

Finding the Fourth Proportional to 15,647.06, 21,593.23 and 8,477.12

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Solution

The fourth proportional to 15,647.06, 21,593.23 and 8,477.12 is: 11,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.06 : 21,593.23 = 8,477.12 : x
  2. Step 2: Convert to fraction form
    15,647.06/21,593.23 = 8,477.12/x
  3. Step 3: Cross multiply
    15,647.06x = 21,593.23 × 8,477.12
  4. Step 4: Simplify right side
    15,647.06x = 183,048,434.69
  5. Step 5: Solve for x
    x = 183,048,434.69/15,647.06
  6. Step 6: Final answer
    x = 11,698.58

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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.