Home / 15,945.05-22,009.12-10,907.36

Finding the Fourth Proportional to 15,945.05, 22,009.12 and 10,907.36

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Solution

The fourth proportional to 15,945.05, 22,009.12 and 10,907.36 is: 15,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.05 : 22,009.12 = 10,907.36 : x
  2. Step 2: Convert to fraction form
    15,945.05/22,009.12 = 10,907.36/x
  3. Step 3: Cross multiply
    15,945.05x = 22,009.12 × 10,907.36
  4. Step 4: Simplify right side
    15,945.05x = 240,061,340.34
  5. Step 5: Solve for x
    x = 240,061,340.34/15,945.05
  6. Step 6: Final answer
    x = 15,055.54

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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.