Home / 13,509.08-20,263.47-6,108.41

Finding the Fourth Proportional to 13,509.08, 20,263.47 and 6,108.41

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Solution

The fourth proportional to 13,509.08, 20,263.47 and 6,108.41 is: 9,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.08 : 20,263.47 = 6,108.41 : x
  2. Step 2: Convert to fraction form
    13,509.08/20,263.47 = 6,108.41/x
  3. Step 3: Cross multiply
    13,509.08x = 20,263.47 × 6,108.41
  4. Step 4: Simplify right side
    13,509.08x = 123,777,610.53
  5. Step 5: Solve for x
    x = 123,777,610.53/13,509.08
  6. Step 6: Final answer
    x = 9,162.55

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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.