Home / 19,764.87-27,276.16-11,266.83

Finding the Fourth Proportional to 19,764.87, 27,276.16 and 11,266.83

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Solution

The fourth proportional to 19,764.87, 27,276.16 and 11,266.83 is: 15,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.87 : 27,276.16 = 11,266.83 : x
  2. Step 2: Convert to fraction form
    19,764.87/27,276.16 = 11,266.83/x
  3. Step 3: Cross multiply
    19,764.87x = 27,276.16 × 11,266.83
  4. Step 4: Simplify right side
    19,764.87x = 307,316,031.40
  5. Step 5: Solve for x
    x = 307,316,031.40/19,764.87
  6. Step 6: Final answer
    x = 15,548.60

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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.