Home / 11,374.90-15,697.32-6,339.08

Finding the Fourth Proportional to 11,374.90, 15,697.32 and 6,339.08

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Solution

The fourth proportional to 11,374.90, 15,697.32 and 6,339.08 is: 8,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.90 : 15,697.32 = 6,339.08 : x
  2. Step 2: Convert to fraction form
    11,374.90/15,697.32 = 6,339.08/x
  3. Step 3: Cross multiply
    11,374.90x = 15,697.32 × 6,339.08
  4. Step 4: Simplify right side
    11,374.90x = 99,506,567.27
  5. Step 5: Solve for x
    x = 99,506,567.27/11,374.90
  6. Step 6: Final answer
    x = 8,747.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.