Home / 11,870.55-17,803.80-4,475.07

Finding the Fourth Proportional to 11,870.55, 17,803.80 and 4,475.07

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Solution

The fourth proportional to 11,870.55, 17,803.80 and 4,475.07 is: 6,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.55 : 17,803.80 = 4,475.07 : x
  2. Step 2: Convert to fraction form
    11,870.55/17,803.80 = 4,475.07/x
  3. Step 3: Cross multiply
    11,870.55x = 17,803.80 × 4,475.07
  4. Step 4: Simplify right side
    11,870.55x = 79,673,251.27
  5. Step 5: Solve for x
    x = 79,673,251.27/11,870.55
  6. Step 6: Final answer
    x = 6,711.84

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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.