Home / 19,292.54-28,939.42-6,642.16

Finding the Fourth Proportional to 19,292.54, 28,939.42 and 6,642.16

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Solution

The fourth proportional to 19,292.54, 28,939.42 and 6,642.16 is: 9,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.54 : 28,939.42 = 6,642.16 : x
  2. Step 2: Convert to fraction form
    19,292.54/28,939.42 = 6,642.16/x
  3. Step 3: Cross multiply
    19,292.54x = 28,939.42 × 6,642.16
  4. Step 4: Simplify right side
    19,292.54x = 192,220,224.74
  5. Step 5: Solve for x
    x = 192,220,224.74/19,292.54
  6. Step 6: Final answer
    x = 9,963.45

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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.