Home / 13,244.36-19,860.12-7,699.30

Finding the Fourth Proportional to 13,244.36, 19,860.12 and 7,699.30

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Solution

The fourth proportional to 13,244.36, 19,860.12 and 7,699.30 is: 11,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.36 : 19,860.12 = 7,699.30 : x
  2. Step 2: Convert to fraction form
    13,244.36/19,860.12 = 7,699.30/x
  3. Step 3: Cross multiply
    13,244.36x = 19,860.12 × 7,699.30
  4. Step 4: Simplify right side
    13,244.36x = 152,909,021.92
  5. Step 5: Solve for x
    x = 152,909,021.92/13,244.36
  6. Step 6: Final answer
    x = 11,545.22

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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.