Home / 10,523.92-15,784.80-3,504.40

Finding the Fourth Proportional to 10,523.92, 15,784.80 and 3,504.40

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Solution

The fourth proportional to 10,523.92, 15,784.80 and 3,504.40 is: 5,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.92 : 15,784.80 = 3,504.40 : x
  2. Step 2: Convert to fraction form
    10,523.92/15,784.80 = 3,504.40/x
  3. Step 3: Cross multiply
    10,523.92x = 15,784.80 × 3,504.40
  4. Step 4: Simplify right side
    10,523.92x = 55,316,253.12
  5. Step 5: Solve for x
    x = 55,316,253.12/10,523.92
  6. Step 6: Final answer
    x = 5,256.24

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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.