Home / 15,539.77-23,313.09-5,679.04

Finding the Fourth Proportional to 15,539.77, 23,313.09 and 5,679.04

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Solution

The fourth proportional to 15,539.77, 23,313.09 and 5,679.04 is: 8,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.77 : 23,313.09 = 5,679.04 : x
  2. Step 2: Convert to fraction form
    15,539.77/23,313.09 = 5,679.04/x
  3. Step 3: Cross multiply
    15,539.77x = 23,313.09 × 5,679.04
  4. Step 4: Simplify right side
    15,539.77x = 132,395,970.63
  5. Step 5: Solve for x
    x = 132,395,970.63/15,539.77
  6. Step 6: Final answer
    x = 8,519.82

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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.