Home / 14,055.30-19,400.04-8,087.67

Finding the Fourth Proportional to 14,055.30, 19,400.04 and 8,087.67

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Solution

The fourth proportional to 14,055.30, 19,400.04 and 8,087.67 is: 11,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.30 : 19,400.04 = 8,087.67 : x
  2. Step 2: Convert to fraction form
    14,055.30/19,400.04 = 8,087.67/x
  3. Step 3: Cross multiply
    14,055.30x = 19,400.04 × 8,087.67
  4. Step 4: Simplify right side
    14,055.30x = 156,901,121.51
  5. Step 5: Solve for x
    x = 156,901,121.51/14,055.30
  6. Step 6: Final answer
    x = 11,163.13

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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.