Home / 13,292.40-19,961.40-7,366.80

Finding the Fourth Proportional to 13,292.40, 19,961.40 and 7,366.80

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Solution

The fourth proportional to 13,292.40, 19,961.40 and 7,366.80 is: 11,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.40 : 19,961.40 = 7,366.80 : x
  2. Step 2: Convert to fraction form
    13,292.40/19,961.40 = 7,366.80/x
  3. Step 3: Cross multiply
    13,292.40x = 19,961.40 × 7,366.80
  4. Step 4: Simplify right side
    13,292.40x = 147,051,641.52
  5. Step 5: Solve for x
    x = 147,051,641.52/13,292.40
  6. Step 6: Final answer
    x = 11,062.84

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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.