Home / 12,731.18-19,102.37-4,417.07

Finding the Fourth Proportional to 12,731.18, 19,102.37 and 4,417.07

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Solution

The fourth proportional to 12,731.18, 19,102.37 and 4,417.07 is: 6,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.18 : 19,102.37 = 4,417.07 : x
  2. Step 2: Convert to fraction form
    12,731.18/19,102.37 = 4,417.07/x
  3. Step 3: Cross multiply
    12,731.18x = 19,102.37 × 4,417.07
  4. Step 4: Simplify right side
    12,731.18x = 84,376,387.86
  5. Step 5: Solve for x
    x = 84,376,387.86/12,731.18
  6. Step 6: Final answer
    x = 6,627.54

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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.