Home / 21,946.63-32,916.51-7,155.48

Finding the Fourth Proportional to 21,946.63, 32,916.51 and 7,155.48

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Solution

The fourth proportional to 21,946.63, 32,916.51 and 7,155.48 is: 10,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.63 : 32,916.51 = 7,155.48 : x
  2. Step 2: Convert to fraction form
    21,946.63/32,916.51 = 7,155.48/x
  3. Step 3: Cross multiply
    21,946.63x = 32,916.51 × 7,155.48
  4. Step 4: Simplify right side
    21,946.63x = 235,533,428.97
  5. Step 5: Solve for x
    x = 235,533,428.97/21,946.63
  6. Step 6: Final answer
    x = 10,732.10

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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.