Home / 13,019.28-19,531.80-6,090

Finding the Fourth Proportional to 13,019.28, 19,531.80 and 6,090

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Solution

The fourth proportional to 13,019.28, 19,531.80 and 6,090 is: 9,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.28 : 19,531.80 = 6,090 : x
  2. Step 2: Convert to fraction form
    13,019.28/19,531.80 = 6,090/x
  3. Step 3: Cross multiply
    13,019.28x = 19,531.80 × 6,090
  4. Step 4: Simplify right side
    13,019.28x = 118,948,662
  5. Step 5: Solve for x
    x = 118,948,662/13,019.28
  6. Step 6: Final answer
    x = 9,136.35

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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.