Home / 15,352.32-21,180.78-10,050.06

Finding the Fourth Proportional to 15,352.32, 21,180.78 and 10,050.06

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Solution

The fourth proportional to 15,352.32, 21,180.78 and 10,050.06 is: 13,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.32 : 21,180.78 = 10,050.06 : x
  2. Step 2: Convert to fraction form
    15,352.32/21,180.78 = 10,050.06/x
  3. Step 3: Cross multiply
    15,352.32x = 21,180.78 × 10,050.06
  4. Step 4: Simplify right side
    15,352.32x = 212,868,109.85
  5. Step 5: Solve for x
    x = 212,868,109.85/15,352.32
  6. Step 6: Final answer
    x = 13,865.53

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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.