Home / 11,298.37-15,591.40-6,262.80

Finding the Fourth Proportional to 11,298.37, 15,591.40 and 6,262.80

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Solution

The fourth proportional to 11,298.37, 15,591.40 and 6,262.80 is: 8,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.37 : 15,591.40 = 6,262.80 : x
  2. Step 2: Convert to fraction form
    11,298.37/15,591.40 = 6,262.80/x
  3. Step 3: Cross multiply
    11,298.37x = 15,591.40 × 6,262.80
  4. Step 4: Simplify right side
    11,298.37x = 97,645,804.26
  5. Step 5: Solve for x
    x = 97,645,804.26/11,298.37
  6. Step 6: Final answer
    x = 8,642.47

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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.