Home / 13,267.39-18,307.33-8,969.83

Finding the Fourth Proportional to 13,267.39, 18,307.33 and 8,969.83

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Solution

The fourth proportional to 13,267.39, 18,307.33 and 8,969.83 is: 12,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.39 : 18,307.33 = 8,969.83 : x
  2. Step 2: Convert to fraction form
    13,267.39/18,307.33 = 8,969.83/x
  3. Step 3: Cross multiply
    13,267.39x = 18,307.33 × 8,969.83
  4. Step 4: Simplify right side
    13,267.39x = 164,213,637.85
  5. Step 5: Solve for x
    x = 164,213,637.85/13,267.39
  6. Step 6: Final answer
    x = 12,377.24

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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.