Home / 13,090.25-19,627.93-8,935.29

Finding the Fourth Proportional to 13,090.25, 19,627.93 and 8,935.29

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Solution

The fourth proportional to 13,090.25, 19,627.93 and 8,935.29 is: 13,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.25 : 19,627.93 = 8,935.29 : x
  2. Step 2: Convert to fraction form
    13,090.25/19,627.93 = 8,935.29/x
  3. Step 3: Cross multiply
    13,090.25x = 19,627.93 × 8,935.29
  4. Step 4: Simplify right side
    13,090.25x = 175,381,246.65
  5. Step 5: Solve for x
    x = 175,381,246.65/13,090.25
  6. Step 6: Final answer
    x = 13,397.85

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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.