Home / 13,197.42-18,210.66-8,488.08

Finding the Fourth Proportional to 13,197.42, 18,210.66 and 8,488.08

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Solution

The fourth proportional to 13,197.42, 18,210.66 and 8,488.08 is: 11,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.42 : 18,210.66 = 8,488.08 : x
  2. Step 2: Convert to fraction form
    13,197.42/18,210.66 = 8,488.08/x
  3. Step 3: Cross multiply
    13,197.42x = 18,210.66 × 8,488.08
  4. Step 4: Simplify right side
    13,197.42x = 154,573,538.93
  5. Step 5: Solve for x
    x = 154,573,538.93/13,197.42
  6. Step 6: Final answer
    x = 11,712.41

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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.