Home / 10,898.31-15,039.23-6,182.49

Finding the Fourth Proportional to 10,898.31, 15,039.23 and 6,182.49

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Solution

The fourth proportional to 10,898.31, 15,039.23 and 6,182.49 is: 8,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.31 : 15,039.23 = 6,182.49 : x
  2. Step 2: Convert to fraction form
    10,898.31/15,039.23 = 6,182.49/x
  3. Step 3: Cross multiply
    10,898.31x = 15,039.23 × 6,182.49
  4. Step 4: Simplify right side
    10,898.31x = 92,979,858.17
  5. Step 5: Solve for x
    x = 92,979,858.17/10,898.31
  6. Step 6: Final answer
    x = 8,531.59

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1.5x scale

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.