Home / 13,090.30-19,627.98-8,935.32

Finding the Fourth Proportional to 13,090.30, 19,627.98 and 8,935.32

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Solution

The fourth proportional to 13,090.30, 19,627.98 and 8,935.32 is: 13,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.30 : 19,627.98 = 8,935.32 : x
  2. Step 2: Convert to fraction form
    13,090.30/19,627.98 = 8,935.32/x
  3. Step 3: Cross multiply
    13,090.30x = 19,627.98 × 8,935.32
  4. Step 4: Simplify right side
    13,090.30x = 175,382,282.25
  5. Step 5: Solve for x
    x = 175,382,282.25/13,090.30
  6. Step 6: Final answer
    x = 13,397.88

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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.