Home / 13,090.10-19,627.70-8,935.16

Finding the Fourth Proportional to 13,090.10, 19,627.70 and 8,935.16

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Solution

The fourth proportional to 13,090.10, 19,627.70 and 8,935.16 is: 13,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.10 : 19,627.70 = 8,935.16 : x
  2. Step 2: Convert to fraction form
    13,090.10/19,627.70 = 8,935.16/x
  3. Step 3: Cross multiply
    13,090.10x = 19,627.70 × 8,935.16
  4. Step 4: Simplify right side
    13,090.10x = 175,376,497.12
  5. Step 5: Solve for x
    x = 175,376,497.12/13,090.10
  6. Step 6: Final answer
    x = 13,397.65

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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.