Home / 12,559.05-18,833.11-6,315.17

Finding the Fourth Proportional to 12,559.05, 18,833.11 and 6,315.17

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Solution

The fourth proportional to 12,559.05, 18,833.11 and 6,315.17 is: 9,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.05 : 18,833.11 = 6,315.17 : x
  2. Step 2: Convert to fraction form
    12,559.05/18,833.11 = 6,315.17/x
  3. Step 3: Cross multiply
    12,559.05x = 18,833.11 × 6,315.17
  4. Step 4: Simplify right side
    12,559.05x = 118,934,181.33
  5. Step 5: Solve for x
    x = 118,934,181.33/12,559.05
  6. Step 6: Final answer
    x = 9,470.00

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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.