Home / 15,001.96-20,677.86-11,269.48

Finding the Fourth Proportional to 15,001.96, 20,677.86 and 11,269.48

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Solution

The fourth proportional to 15,001.96, 20,677.86 and 11,269.48 is: 15,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.96 : 20,677.86 = 11,269.48 : x
  2. Step 2: Convert to fraction form
    15,001.96/20,677.86 = 11,269.48/x
  3. Step 3: Cross multiply
    15,001.96x = 20,677.86 × 11,269.48
  4. Step 4: Simplify right side
    15,001.96x = 233,028,729.71
  5. Step 5: Solve for x
    x = 233,028,729.71/15,001.96
  6. Step 6: Final answer
    x = 15,533.22

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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.