Home / 10,975.60-16,441.80-7,476.40

Finding the Fourth Proportional to 10,975.60, 16,441.80 and 7,476.40

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Solution

The fourth proportional to 10,975.60, 16,441.80 and 7,476.40 is: 11,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.60 : 16,441.80 = 7,476.40 : x
  2. Step 2: Convert to fraction form
    10,975.60/16,441.80 = 7,476.40/x
  3. Step 3: Cross multiply
    10,975.60x = 16,441.80 × 7,476.40
  4. Step 4: Simplify right side
    10,975.60x = 122,925,473.52
  5. Step 5: Solve for x
    x = 122,925,473.52/10,975.60
  6. Step 6: Final answer
    x = 11,199.89

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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.