Home / 19,126.24-28,682.91-7,277.20

Finding the Fourth Proportional to 19,126.24, 28,682.91 and 7,277.20

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Solution

The fourth proportional to 19,126.24, 28,682.91 and 7,277.20 is: 10,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.24 : 28,682.91 = 7,277.20 : x
  2. Step 2: Convert to fraction form
    19,126.24/28,682.91 = 7,277.20/x
  3. Step 3: Cross multiply
    19,126.24x = 28,682.91 × 7,277.20
  4. Step 4: Simplify right side
    19,126.24x = 208,731,272.65
  5. Step 5: Solve for x
    x = 208,731,272.65/19,126.24
  6. Step 6: Final answer
    x = 10,913.35

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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.