Home / 12,963.44-19,441.80-5,572.40

Finding the Fourth Proportional to 12,963.44, 19,441.80 and 5,572.40

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Solution

The fourth proportional to 12,963.44, 19,441.80 and 5,572.40 is: 8,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.44 : 19,441.80 = 5,572.40 : x
  2. Step 2: Convert to fraction form
    12,963.44/19,441.80 = 5,572.40/x
  3. Step 3: Cross multiply
    12,963.44x = 19,441.80 × 5,572.40
  4. Step 4: Simplify right side
    12,963.44x = 108,337,486.32
  5. Step 5: Solve for x
    x = 108,337,486.32/12,963.44
  6. Step 6: Final answer
    x = 8,357.16

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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.