Home / 21,636.89-32,460.03-6,644.06

Finding the Fourth Proportional to 21,636.89, 32,460.03 and 6,644.06

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Solution

The fourth proportional to 21,636.89, 32,460.03 and 6,644.06 is: 9,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636.89 : 32,460.03 = 6,644.06 : x
  2. Step 2: Convert to fraction form
    21,636.89/32,460.03 = 6,644.06/x
  3. Step 3: Cross multiply
    21,636.89x = 32,460.03 × 6,644.06
  4. Step 4: Simplify right side
    21,636.89x = 215,666,386.92
  5. Step 5: Solve for x
    x = 215,666,386.92/21,636.89
  6. Step 6: Final answer
    x = 9,967.53

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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.