Home / 12,746.79-19,100.61-5,347.17

Finding the Fourth Proportional to 12,746.79, 19,100.61 and 5,347.17

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Solution

The fourth proportional to 12,746.79, 19,100.61 and 5,347.17 is: 8,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.79 : 19,100.61 = 5,347.17 : x
  2. Step 2: Convert to fraction form
    12,746.79/19,100.61 = 5,347.17/x
  3. Step 3: Cross multiply
    12,746.79x = 19,100.61 × 5,347.17
  4. Step 4: Simplify right side
    12,746.79x = 102,134,208.77
  5. Step 5: Solve for x
    x = 102,134,208.77/12,746.79
  6. Step 6: Final answer
    x = 8,012.54

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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.