Home / 21,966.24-32,946.48-7,924.80

Finding the Fourth Proportional to 21,966.24, 32,946.48 and 7,924.80

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Solution

The fourth proportional to 21,966.24, 32,946.48 and 7,924.80 is: 11,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.24 : 32,946.48 = 7,924.80 : x
  2. Step 2: Convert to fraction form
    21,966.24/32,946.48 = 7,924.80/x
  3. Step 3: Cross multiply
    21,966.24x = 32,946.48 × 7,924.80
  4. Step 4: Simplify right side
    21,966.24x = 261,094,264.70
  5. Step 5: Solve for x
    x = 261,094,264.70/21,966.24
  6. Step 6: Final answer
    x = 11,886.16

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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.