Home / 13,090.02-19,722.39-11,842.08

Finding the Fourth Proportional to 13,090.02, 19,722.39 and 11,842.08

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Solution

The fourth proportional to 13,090.02, 19,722.39 and 11,842.08 is: 17,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.02 : 19,722.39 = 11,842.08 : x
  2. Step 2: Convert to fraction form
    13,090.02/19,722.39 = 11,842.08/x
  3. Step 3: Cross multiply
    13,090.02x = 19,722.39 × 11,842.08
  4. Step 4: Simplify right side
    13,090.02x = 233,554,120.17
  5. Step 5: Solve for x
    x = 233,554,120.17/13,090.02
  6. Step 6: Final answer
    x = 17,842.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.