Home / 12,795.64-19,158.02-6,542.20

Finding the Fourth Proportional to 12,795.64, 19,158.02 and 6,542.20

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Solution

The fourth proportional to 12,795.64, 19,158.02 and 6,542.20 is: 9,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.64 : 19,158.02 = 6,542.20 : x
  2. Step 2: Convert to fraction form
    12,795.64/19,158.02 = 6,542.20/x
  3. Step 3: Cross multiply
    12,795.64x = 19,158.02 × 6,542.20
  4. Step 4: Simplify right side
    12,795.64x = 125,335,598.44
  5. Step 5: Solve for x
    x = 125,335,598.44/12,795.64
  6. Step 6: Final answer
    x = 9,795.18

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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.