Home / 13,267.25-18,309.08-7,298.91

Finding the Fourth Proportional to 13,267.25, 18,309.08 and 7,298.91

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Solution

The fourth proportional to 13,267.25, 18,309.08 and 7,298.91 is: 10,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.25 : 18,309.08 = 7,298.91 : x
  2. Step 2: Convert to fraction form
    13,267.25/18,309.08 = 7,298.91/x
  3. Step 3: Cross multiply
    13,267.25x = 18,309.08 × 7,298.91
  4. Step 4: Simplify right side
    13,267.25x = 133,636,290.61
  5. Step 5: Solve for x
    x = 133,636,290.61/13,267.25
  6. Step 6: Final answer
    x = 10,072.65

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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.