Home / 13,985.52-19,299.39-7,612.14

Finding the Fourth Proportional to 13,985.52, 19,299.39 and 7,612.14

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Solution

The fourth proportional to 13,985.52, 19,299.39 and 7,612.14 is: 10,504.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.52 : 19,299.39 = 7,612.14 : x
  2. Step 2: Convert to fraction form
    13,985.52/19,299.39 = 7,612.14/x
  3. Step 3: Cross multiply
    13,985.52x = 19,299.39 × 7,612.14
  4. Step 4: Simplify right side
    13,985.52x = 146,909,658.59
  5. Step 5: Solve for x
    x = 146,909,658.59/13,985.52
  6. Step 6: Final answer
    x = 10,504.41

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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.