Home / 15,155.56-22,721.96-10,211.32

Finding the Fourth Proportional to 15,155.56, 22,721.96 and 10,211.32

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Solution

The fourth proportional to 15,155.56, 22,721.96 and 10,211.32 is: 15,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.56 : 22,721.96 = 10,211.32 : x
  2. Step 2: Convert to fraction form
    15,155.56/22,721.96 = 10,211.32/x
  3. Step 3: Cross multiply
    15,155.56x = 22,721.96 × 10,211.32
  4. Step 4: Simplify right side
    15,155.56x = 232,021,204.59
  5. Step 5: Solve for x
    x = 232,021,204.59/15,155.56
  6. Step 6: Final answer
    x = 15,309.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.