Home / 19,758.18-27,266.22-10,683.48

Finding the Fourth Proportional to 19,758.18, 27,266.22 and 10,683.48

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Solution

The fourth proportional to 19,758.18, 27,266.22 and 10,683.48 is: 14,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.18 : 27,266.22 = 10,683.48 : x
  2. Step 2: Convert to fraction form
    19,758.18/27,266.22 = 10,683.48/x
  3. Step 3: Cross multiply
    19,758.18x = 27,266.22 × 10,683.48
  4. Step 4: Simplify right side
    19,758.18x = 291,298,044.05
  5. Step 5: Solve for x
    x = 291,298,044.05/19,758.18
  6. Step 6: Final answer
    x = 14,743.16

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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.