Home / 13,948.74-21,019.06-11,537.82

Finding the Fourth Proportional to 13,948.74, 21,019.06 and 11,537.82

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Solution

The fourth proportional to 13,948.74, 21,019.06 and 11,537.82 is: 17,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.74 : 21,019.06 = 11,537.82 : x
  2. Step 2: Convert to fraction form
    13,948.74/21,019.06 = 11,537.82/x
  3. Step 3: Cross multiply
    13,948.74x = 21,019.06 × 11,537.82
  4. Step 4: Simplify right side
    13,948.74x = 242,514,130.85
  5. Step 5: Solve for x
    x = 242,514,130.85/13,948.74
  6. Step 6: Final answer
    x = 17,386.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.