Home / 21,729.63-32,594.17-6,938.36

Finding the Fourth Proportional to 21,729.63, 32,594.17 and 6,938.36

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Solution

The fourth proportional to 21,729.63, 32,594.17 and 6,938.36 is: 10,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729.63 : 32,594.17 = 6,938.36 : x
  2. Step 2: Convert to fraction form
    21,729.63/32,594.17 = 6,938.36/x
  3. Step 3: Cross multiply
    21,729.63x = 32,594.17 × 6,938.36
  4. Step 4: Simplify right side
    21,729.63x = 226,150,085.36
  5. Step 5: Solve for x
    x = 226,150,085.36/21,729.63
  6. Step 6: Final answer
    x = 10,407.45

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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.