Home / 13,191.24-19,786.23-4,870.65

Finding the Fourth Proportional to 13,191.24, 19,786.23 and 4,870.65

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Solution

The fourth proportional to 13,191.24, 19,786.23 and 4,870.65 is: 7,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.24 : 19,786.23 = 4,870.65 : x
  2. Step 2: Convert to fraction form
    13,191.24/19,786.23 = 4,870.65/x
  3. Step 3: Cross multiply
    13,191.24x = 19,786.23 × 4,870.65
  4. Step 4: Simplify right side
    13,191.24x = 96,371,801.15
  5. Step 5: Solve for x
    x = 96,371,801.15/13,191.24
  6. Step 6: Final answer
    x = 7,305.74

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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.