Home / 13,352.08-18,426.39-8,868.10

Finding the Fourth Proportional to 13,352.08, 18,426.39 and 8,868.10

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Solution

The fourth proportional to 13,352.08, 18,426.39 and 8,868.10 is: 12,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.08 : 18,426.39 = 8,868.10 : x
  2. Step 2: Convert to fraction form
    13,352.08/18,426.39 = 8,868.10/x
  3. Step 3: Cross multiply
    13,352.08x = 18,426.39 × 8,868.10
  4. Step 4: Simplify right side
    13,352.08x = 163,407,069.16
  5. Step 5: Solve for x
    x = 163,407,069.16/13,352.08
  6. Step 6: Final answer
    x = 12,238.32

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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.