Home / 10,851.04-16,281.56-5,913.28

Finding the Fourth Proportional to 10,851.04, 16,281.56 and 5,913.28

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Solution

The fourth proportional to 10,851.04, 16,281.56 and 5,913.28 is: 8,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.04 : 16,281.56 = 5,913.28 : x
  2. Step 2: Convert to fraction form
    10,851.04/16,281.56 = 5,913.28/x
  3. Step 3: Cross multiply
    10,851.04x = 16,281.56 × 5,913.28
  4. Step 4: Simplify right side
    10,851.04x = 96,277,423.12
  5. Step 5: Solve for x
    x = 96,277,423.12/10,851.04
  6. Step 6: Final answer
    x = 8,872.64

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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.