Home / 11,374.09-15,697.40-6,339.13

Finding the Fourth Proportional to 11,374.09, 15,697.40 and 6,339.13

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Solution

The fourth proportional to 11,374.09, 15,697.40 and 6,339.13 is: 8,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.09 : 15,697.40 = 6,339.13 : x
  2. Step 2: Convert to fraction form
    11,374.09/15,697.40 = 6,339.13/x
  3. Step 3: Cross multiply
    11,374.09x = 15,697.40 × 6,339.13
  4. Step 4: Simplify right side
    11,374.09x = 99,507,859.26
  5. Step 5: Solve for x
    x = 99,507,859.26/11,374.09
  6. Step 6: Final answer
    x = 8,748.64

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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.