Home / 19,637.84-27,093.69-11,139.12

Finding the Fourth Proportional to 19,637.84, 27,093.69 and 11,139.12

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Solution

The fourth proportional to 19,637.84, 27,093.69 and 11,139.12 is: 15,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.84 : 27,093.69 = 11,139.12 : x
  2. Step 2: Convert to fraction form
    19,637.84/27,093.69 = 11,139.12/x
  3. Step 3: Cross multiply
    19,637.84x = 27,093.69 × 11,139.12
  4. Step 4: Simplify right side
    19,637.84x = 301,799,864.15
  5. Step 5: Solve for x
    x = 301,799,864.15/19,637.84
  6. Step 6: Final answer
    x = 15,368.28

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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.