Home / 13,055.92-19,546.56-12,228.28

Finding the Fourth Proportional to 13,055.92, 19,546.56 and 12,228.28

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Solution

The fourth proportional to 13,055.92, 19,546.56 and 12,228.28 is: 18,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.92 : 19,546.56 = 12,228.28 : x
  2. Step 2: Convert to fraction form
    13,055.92/19,546.56 = 12,228.28/x
  3. Step 3: Cross multiply
    13,055.92x = 19,546.56 × 12,228.28
  4. Step 4: Simplify right side
    13,055.92x = 239,020,808.72
  5. Step 5: Solve for x
    x = 239,020,808.72/13,055.92
  6. Step 6: Final answer
    x = 18,307.47

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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.