Home / 11,259.90-15,544.88-6,784.75

Finding the Fourth Proportional to 11,259.90, 15,544.88 and 6,784.75

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Solution

The fourth proportional to 11,259.90, 15,544.88 and 6,784.75 is: 9,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.90 : 15,544.88 = 6,784.75 : x
  2. Step 2: Convert to fraction form
    11,259.90/15,544.88 = 6,784.75/x
  3. Step 3: Cross multiply
    11,259.90x = 15,544.88 × 6,784.75
  4. Step 4: Simplify right side
    11,259.90x = 105,468,124.58
  5. Step 5: Solve for x
    x = 105,468,124.58/11,259.90
  6. Step 6: Final answer
    x = 9,366.70

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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.