Home / 13,185.06-19,785.45-4,870.92

Finding the Fourth Proportional to 13,185.06, 19,785.45 and 4,870.92

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Solution

The fourth proportional to 13,185.06, 19,785.45 and 4,870.92 is: 7,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.06 : 19,785.45 = 4,870.92 : x
  2. Step 2: Convert to fraction form
    13,185.06/19,785.45 = 4,870.92/x
  3. Step 3: Cross multiply
    13,185.06x = 19,785.45 × 4,870.92
  4. Step 4: Simplify right side
    13,185.06x = 96,373,344.11
  5. Step 5: Solve for x
    x = 96,373,344.11/13,185.06
  6. Step 6: Final answer
    x = 7,309.28

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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.