Home / 15,559.78-23,339.63-6,669.34

Finding the Fourth Proportional to 15,559.78, 23,339.63 and 6,669.34

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Solution

The fourth proportional to 15,559.78, 23,339.63 and 6,669.34 is: 10,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.78 : 23,339.63 = 6,669.34 : x
  2. Step 2: Convert to fraction form
    15,559.78/23,339.63 = 6,669.34/x
  3. Step 3: Cross multiply
    15,559.78x = 23,339.63 × 6,669.34
  4. Step 4: Simplify right side
    15,559.78x = 155,659,936.28
  5. Step 5: Solve for x
    x = 155,659,936.28/15,559.78
  6. Step 6: Final answer
    x = 10,003.99

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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.