Home / 13,090.26-19,635.28-5,298.96

Finding the Fourth Proportional to 13,090.26, 19,635.28 and 5,298.96

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Solution

The fourth proportional to 13,090.26, 19,635.28 and 5,298.96 is: 7,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.26 : 19,635.28 = 5,298.96 : x
  2. Step 2: Convert to fraction form
    13,090.26/19,635.28 = 5,298.96/x
  3. Step 3: Cross multiply
    13,090.26x = 19,635.28 × 5,298.96
  4. Step 4: Simplify right side
    13,090.26x = 104,046,563.31
  5. Step 5: Solve for x
    x = 104,046,563.31/13,090.26
  6. Step 6: Final answer
    x = 7,948.40

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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.