Home / 19,009.40-26,231.56-10,511.63

Finding the Fourth Proportional to 19,009.40, 26,231.56 and 10,511.63

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Solution

The fourth proportional to 19,009.40, 26,231.56 and 10,511.63 is: 14,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.40 : 26,231.56 = 10,511.63 : x
  2. Step 2: Convert to fraction form
    19,009.40/26,231.56 = 10,511.63/x
  3. Step 3: Cross multiply
    19,009.40x = 26,231.56 × 10,511.63
  4. Step 4: Simplify right side
    19,009.40x = 275,736,453.04
  5. Step 5: Solve for x
    x = 275,736,453.04/19,009.40
  6. Step 6: Final answer
    x = 14,505.27

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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.