Home / 19,918.29-27,487.08-10,965.94

Finding the Fourth Proportional to 19,918.29, 27,487.08 and 10,965.94

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Solution

The fourth proportional to 19,918.29, 27,487.08 and 10,965.94 is: 15,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.29 : 27,487.08 = 10,965.94 : x
  2. Step 2: Convert to fraction form
    19,918.29/27,487.08 = 10,965.94/x
  3. Step 3: Cross multiply
    19,918.29x = 27,487.08 × 10,965.94
  4. Step 4: Simplify right side
    19,918.29x = 301,421,670.06
  5. Step 5: Solve for x
    x = 301,421,670.06/19,918.29
  6. Step 6: Final answer
    x = 15,132.91

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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.