Home / 12,349.66-18,527.96-4,959.31

Finding the Fourth Proportional to 12,349.66, 18,527.96 and 4,959.31

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Solution

The fourth proportional to 12,349.66, 18,527.96 and 4,959.31 is: 7,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.66 : 18,527.96 = 4,959.31 : x
  2. Step 2: Convert to fraction form
    12,349.66/18,527.96 = 4,959.31/x
  3. Step 3: Cross multiply
    12,349.66x = 18,527.96 × 4,959.31
  4. Step 4: Simplify right side
    12,349.66x = 91,885,900.41
  5. Step 5: Solve for x
    x = 91,885,900.41/12,349.66
  6. Step 6: Final answer
    x = 7,440.36

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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.