Home / 15,211.02-20,838.72-14,642.44

Finding the Fourth Proportional to 15,211.02, 20,838.72 and 14,642.44

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Solution

The fourth proportional to 15,211.02, 20,838.72 and 14,642.44 is: 20,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211.02 : 20,838.72 = 14,642.44 : x
  2. Step 2: Convert to fraction form
    15,211.02/20,838.72 = 14,642.44/x
  3. Step 3: Cross multiply
    15,211.02x = 20,838.72 × 14,642.44
  4. Step 4: Simplify right side
    15,211.02x = 305,129,707.28
  5. Step 5: Solve for x
    x = 305,129,707.28/15,211.02
  6. Step 6: Final answer
    x = 20,059.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.