Home / 10,523.10-15,784.65-6,138.30

Finding the Fourth Proportional to 10,523.10, 15,784.65 and 6,138.30

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Solution

The fourth proportional to 10,523.10, 15,784.65 and 6,138.30 is: 9,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.10 : 15,784.65 = 6,138.30 : x
  2. Step 2: Convert to fraction form
    10,523.10/15,784.65 = 6,138.30/x
  3. Step 3: Cross multiply
    10,523.10x = 15,784.65 × 6,138.30
  4. Step 4: Simplify right side
    10,523.10x = 96,890,917.10
  5. Step 5: Solve for x
    x = 96,890,917.10/10,523.10
  6. Step 6: Final answer
    x = 9,207.45

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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.