Home / 21,460.06-32,168.70-10,195.64

Finding the Fourth Proportional to 21,460.06, 32,168.70 and 10,195.64

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Solution

The fourth proportional to 21,460.06, 32,168.70 and 10,195.64 is: 15,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.06 : 32,168.70 = 10,195.64 : x
  2. Step 2: Convert to fraction form
    21,460.06/32,168.70 = 10,195.64/x
  3. Step 3: Cross multiply
    21,460.06x = 32,168.70 × 10,195.64
  4. Step 4: Simplify right side
    21,460.06x = 327,980,484.47
  5. Step 5: Solve for x
    x = 327,980,484.47/21,460.06
  6. Step 6: Final answer
    x = 15,283.30

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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.