Home / 19,939.48-27,515.04-10,986.46

Finding the Fourth Proportional to 19,939.48, 27,515.04 and 10,986.46

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Solution

The fourth proportional to 19,939.48, 27,515.04 and 10,986.46 is: 15,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.48 : 27,515.04 = 10,986.46 : x
  2. Step 2: Convert to fraction form
    19,939.48/27,515.04 = 10,986.46/x
  3. Step 3: Cross multiply
    19,939.48x = 27,515.04 × 10,986.46
  4. Step 4: Simplify right side
    19,939.48x = 302,292,886.36
  5. Step 5: Solve for x
    x = 302,292,886.36/19,939.48
  6. Step 6: Final answer
    x = 15,160.52

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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.