Home / 12,955.13-19,416.63-9,200.92

Finding the Fourth Proportional to 12,955.13, 19,416.63 and 9,200.92

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Solution

The fourth proportional to 12,955.13, 19,416.63 and 9,200.92 is: 13,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.13 : 19,416.63 = 9,200.92 : x
  2. Step 2: Convert to fraction form
    12,955.13/19,416.63 = 9,200.92/x
  3. Step 3: Cross multiply
    12,955.13x = 19,416.63 × 9,200.92
  4. Step 4: Simplify right side
    12,955.13x = 178,650,930.84
  5. Step 5: Solve for x
    x = 178,650,930.84/12,955.13
  6. Step 6: Final answer
    x = 13,789.98

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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.