Home / 18,853.54-26,022.60-10,900.76

Finding the Fourth Proportional to 18,853.54, 26,022.60 and 10,900.76

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Solution

The fourth proportional to 18,853.54, 26,022.60 and 10,900.76 is: 15,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.54 : 26,022.60 = 10,900.76 : x
  2. Step 2: Convert to fraction form
    18,853.54/26,022.60 = 10,900.76/x
  3. Step 3: Cross multiply
    18,853.54x = 26,022.60 × 10,900.76
  4. Step 4: Simplify right side
    18,853.54x = 283,666,117.18
  5. Step 5: Solve for x
    x = 283,666,117.18/18,853.54
  6. Step 6: Final answer
    x = 15,045.77

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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.