Home / 10,898.52-15,039.74-6,118.58

Finding the Fourth Proportional to 10,898.52, 15,039.74 and 6,118.58

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Solution

The fourth proportional to 10,898.52, 15,039.74 and 6,118.58 is: 8,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.52 : 15,039.74 = 6,118.58 : x
  2. Step 2: Convert to fraction form
    10,898.52/15,039.74 = 6,118.58/x
  3. Step 3: Cross multiply
    10,898.52x = 15,039.74 × 6,118.58
  4. Step 4: Simplify right side
    10,898.52x = 92,021,746.58
  5. Step 5: Solve for x
    x = 92,021,746.58/10,898.52
  6. Step 6: Final answer
    x = 8,443.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.