Home / 19,556.40-26,988.03-10,603.97

Finding the Fourth Proportional to 19,556.40, 26,988.03 and 10,603.97

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Solution

The fourth proportional to 19,556.40, 26,988.03 and 10,603.97 is: 14,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.40 : 26,988.03 = 10,603.97 : x
  2. Step 2: Convert to fraction form
    19,556.40/26,988.03 = 10,603.97/x
  3. Step 3: Cross multiply
    19,556.40x = 26,988.03 × 10,603.97
  4. Step 4: Simplify right side
    19,556.40x = 286,180,125.54
  5. Step 5: Solve for x
    x = 286,180,125.54/19,556.40
  6. Step 6: Final answer
    x = 14,633.58

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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.