Home / 13,054.68-18,010.98-7,388.76

Finding the Fourth Proportional to 13,054.68, 18,010.98 and 7,388.76

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Solution

The fourth proportional to 13,054.68, 18,010.98 and 7,388.76 is: 10,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.68 : 18,010.98 = 7,388.76 : x
  2. Step 2: Convert to fraction form
    13,054.68/18,010.98 = 7,388.76/x
  3. Step 3: Cross multiply
    13,054.68x = 18,010.98 × 7,388.76
  4. Step 4: Simplify right side
    13,054.68x = 133,078,808.58
  5. Step 5: Solve for x
    x = 133,078,808.58/13,054.68
  6. Step 6: Final answer
    x = 10,193.95

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Half scale
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Double scale
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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.