Home / 13,267.08-18,308.27-7,298.62

Finding the Fourth Proportional to 13,267.08, 18,308.27 and 7,298.62

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Solution

The fourth proportional to 13,267.08, 18,308.27 and 7,298.62 is: 10,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.08 : 18,308.27 = 7,298.62 : x
  2. Step 2: Convert to fraction form
    13,267.08/18,308.27 = 7,298.62/x
  3. Step 3: Cross multiply
    13,267.08x = 18,308.27 × 7,298.62
  4. Step 4: Simplify right side
    13,267.08x = 133,625,078.06
  5. Step 5: Solve for x
    x = 133,625,078.06/13,267.08
  6. Step 6: Final answer
    x = 10,071.93

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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.