Home / 8,032.20-12,029.58-7,810.72

Finding the Fourth Proportional to 8,032.20, 12,029.58 and 7,810.72

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Solution

The fourth proportional to 8,032.20, 12,029.58 and 7,810.72 is: 11,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.20 : 12,029.58 = 7,810.72 : x
  2. Step 2: Convert to fraction form
    8,032.20/12,029.58 = 7,810.72/x
  3. Step 3: Cross multiply
    8,032.20x = 12,029.58 × 7,810.72
  4. Step 4: Simplify right side
    8,032.20x = 93,959,681.10
  5. Step 5: Solve for x
    x = 93,959,681.10/8,032.20
  6. Step 6: Final answer
    x = 11,697.88

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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.