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Finding the Fourth Proportional to 21,641.84, 32,460.24 and 6,060.68

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Solution

The fourth proportional to 21,641.84, 32,460.24 and 6,060.68 is: 9,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.84 : 32,460.24 = 6,060.68 : x
  2. Step 2: Convert to fraction form
    21,641.84/32,460.24 = 6,060.68/x
  3. Step 3: Cross multiply
    21,641.84x = 32,460.24 × 6,060.68
  4. Step 4: Simplify right side
    21,641.84x = 196,731,127.36
  5. Step 5: Solve for x
    x = 196,731,127.36/21,641.84
  6. Step 6: Final answer
    x = 9,090.31

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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.