Home / 13,132.66-19,671.63-6,538.84

Finding the Fourth Proportional to 13,132.66, 19,671.63 and 6,538.84

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Solution

The fourth proportional to 13,132.66, 19,671.63 and 6,538.84 is: 9,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.66 : 19,671.63 = 6,538.84 : x
  2. Step 2: Convert to fraction form
    13,132.66/19,671.63 = 6,538.84/x
  3. Step 3: Cross multiply
    13,132.66x = 19,671.63 × 6,538.84
  4. Step 4: Simplify right side
    13,132.66x = 128,629,641.11
  5. Step 5: Solve for x
    x = 128,629,641.11/13,132.66
  6. Step 6: Final answer
    x = 9,794.64

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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.