Home / 12,964.58-19,445.93-5,065.61

Finding the Fourth Proportional to 12,964.58, 19,445.93 and 5,065.61

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Solution

The fourth proportional to 12,964.58, 19,445.93 and 5,065.61 is: 7,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.58 : 19,445.93 = 5,065.61 : x
  2. Step 2: Convert to fraction form
    12,964.58/19,445.93 = 5,065.61/x
  3. Step 3: Cross multiply
    12,964.58x = 19,445.93 × 5,065.61
  4. Step 4: Simplify right side
    12,964.58x = 98,505,497.47
  5. Step 5: Solve for x
    x = 98,505,497.47/12,964.58
  6. Step 6: Final answer
    x = 7,598.05

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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.