Home / 21,407.54-32,099.52-6,612.38

Finding the Fourth Proportional to 21,407.54, 32,099.52 and 6,612.38

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Solution

The fourth proportional to 21,407.54, 32,099.52 and 6,612.38 is: 9,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407.54 : 32,099.52 = 6,612.38 : x
  2. Step 2: Convert to fraction form
    21,407.54/32,099.52 = 6,612.38/x
  3. Step 3: Cross multiply
    21,407.54x = 32,099.52 × 6,612.38
  4. Step 4: Simplify right side
    21,407.54x = 212,254,224.06
  5. Step 5: Solve for x
    x = 212,254,224.06/21,407.54
  6. Step 6: Final answer
    x = 9,914.93

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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.