Home / 21,400.54-32,106.71-8,926.43

Finding the Fourth Proportional to 21,400.54, 32,106.71 and 8,926.43

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Solution

The fourth proportional to 21,400.54, 32,106.71 and 8,926.43 is: 13,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.54 : 32,106.71 = 8,926.43 : x
  2. Step 2: Convert to fraction form
    21,400.54/32,106.71 = 8,926.43/x
  3. Step 3: Cross multiply
    21,400.54x = 32,106.71 × 8,926.43
  4. Step 4: Simplify right side
    21,400.54x = 286,598,161.13
  5. Step 5: Solve for x
    x = 286,598,161.13/21,400.54
  6. Step 6: Final answer
    x = 13,392.10

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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.