Home / 19,813.48-27,343.44-11,317

Finding the Fourth Proportional to 19,813.48, 27,343.44 and 11,317

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Solution

The fourth proportional to 19,813.48, 27,343.44 and 11,317 is: 15,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.48 : 27,343.44 = 11,317 : x
  2. Step 2: Convert to fraction form
    19,813.48/27,343.44 = 11,317/x
  3. Step 3: Cross multiply
    19,813.48x = 27,343.44 × 11,317
  4. Step 4: Simplify right side
    19,813.48x = 309,445,710.48
  5. Step 5: Solve for x
    x = 309,445,710.48/19,813.48
  6. Step 6: Final answer
    x = 15,617.94

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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.