Home / 13,482.59-18,607.37-8,106.79

Finding the Fourth Proportional to 13,482.59, 18,607.37 and 8,106.79

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Solution

The fourth proportional to 13,482.59, 18,607.37 and 8,106.79 is: 11,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.59 : 18,607.37 = 8,106.79 : x
  2. Step 2: Convert to fraction form
    13,482.59/18,607.37 = 8,106.79/x
  3. Step 3: Cross multiply
    13,482.59x = 18,607.37 × 8,106.79
  4. Step 4: Simplify right side
    13,482.59x = 150,846,041.04
  5. Step 5: Solve for x
    x = 150,846,041.04/13,482.59
  6. Step 6: Final answer
    x = 11,188.21

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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.