Home / 13,862.48-19,134.78-11,035.04

Finding the Fourth Proportional to 13,862.48, 19,134.78 and 11,035.04

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Solution

The fourth proportional to 13,862.48, 19,134.78 and 11,035.04 is: 15,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.48 : 19,134.78 = 11,035.04 : x
  2. Step 2: Convert to fraction form
    13,862.48/19,134.78 = 11,035.04/x
  3. Step 3: Cross multiply
    13,862.48x = 19,134.78 × 11,035.04
  4. Step 4: Simplify right side
    13,862.48x = 211,153,062.69
  5. Step 5: Solve for x
    x = 211,153,062.69/13,862.48
  6. Step 6: Final answer
    x = 15,231.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.