Home / 12,963.02-19,441.60-5,065.72

Finding the Fourth Proportional to 12,963.02, 19,441.60 and 5,065.72

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Solution

The fourth proportional to 12,963.02, 19,441.60 and 5,065.72 is: 7,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.02 : 19,441.60 = 5,065.72 : x
  2. Step 2: Convert to fraction form
    12,963.02/19,441.60 = 5,065.72/x
  3. Step 3: Cross multiply
    12,963.02x = 19,441.60 × 5,065.72
  4. Step 4: Simplify right side
    12,963.02x = 98,485,701.95
  5. Step 5: Solve for x
    x = 98,485,701.95/12,963.02
  6. Step 6: Final answer
    x = 7,597.44

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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.