Home / 17,877.51-24,647.49-15,386.36

Finding the Fourth Proportional to 17,877.51, 24,647.49 and 15,386.36

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Solution

The fourth proportional to 17,877.51, 24,647.49 and 15,386.36 is: 21,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.51 : 24,647.49 = 15,386.36 : x
  2. Step 2: Convert to fraction form
    17,877.51/24,647.49 = 15,386.36/x
  3. Step 3: Cross multiply
    17,877.51x = 24,647.49 × 15,386.36
  4. Step 4: Simplify right side
    17,877.51x = 379,235,031.00
  5. Step 5: Solve for x
    x = 379,235,031.00/17,877.51
  6. Step 6: Final answer
    x = 21,212.97

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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.