Home / 12,711.64-19,056.18-4,808.64

Finding the Fourth Proportional to 12,711.64, 19,056.18 and 4,808.64

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Solution

The fourth proportional to 12,711.64, 19,056.18 and 4,808.64 is: 7,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.64 : 19,056.18 = 4,808.64 : x
  2. Step 2: Convert to fraction form
    12,711.64/19,056.18 = 4,808.64/x
  3. Step 3: Cross multiply
    12,711.64x = 19,056.18 × 4,808.64
  4. Step 4: Simplify right side
    12,711.64x = 91,634,309.40
  5. Step 5: Solve for x
    x = 91,634,309.40/12,711.64
  6. Step 6: Final answer
    x = 7,208.69

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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.