Home / 10,090.92-15,148.98-6,818.52

Finding the Fourth Proportional to 10,090.92, 15,148.98 and 6,818.52

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Solution

The fourth proportional to 10,090.92, 15,148.98 and 6,818.52 is: 10,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.92 : 15,148.98 = 6,818.52 : x
  2. Step 2: Convert to fraction form
    10,090.92/15,148.98 = 6,818.52/x
  3. Step 3: Cross multiply
    10,090.92x = 15,148.98 × 6,818.52
  4. Step 4: Simplify right side
    10,090.92x = 103,293,623.11
  5. Step 5: Solve for x
    x = 103,293,623.11/10,090.92
  6. Step 6: Final answer
    x = 10,236.29

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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.