Home / 21,432.36-32,150.07-7,392.18

Finding the Fourth Proportional to 21,432.36, 32,150.07 and 7,392.18

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Solution

The fourth proportional to 21,432.36, 32,150.07 and 7,392.18 is: 11,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.36 : 32,150.07 = 7,392.18 : x
  2. Step 2: Convert to fraction form
    21,432.36/32,150.07 = 7,392.18/x
  3. Step 3: Cross multiply
    21,432.36x = 32,150.07 × 7,392.18
  4. Step 4: Simplify right side
    21,432.36x = 237,659,011.61
  5. Step 5: Solve for x
    x = 237,659,011.61/21,432.36
  6. Step 6: Final answer
    x = 11,088.80

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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.