Home / 15,397.92-21,234.96-10,090.80

Finding the Fourth Proportional to 15,397.92, 21,234.96 and 10,090.80

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Solution

The fourth proportional to 15,397.92, 21,234.96 and 10,090.80 is: 13,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.92 : 21,234.96 = 10,090.80 : x
  2. Step 2: Convert to fraction form
    15,397.92/21,234.96 = 10,090.80/x
  3. Step 3: Cross multiply
    15,397.92x = 21,234.96 × 10,090.80
  4. Step 4: Simplify right side
    15,397.92x = 214,277,734.37
  5. Step 5: Solve for x
    x = 214,277,734.37/15,397.92
  6. Step 6: Final answer
    x = 13,916.02

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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.