Home / 16,820.80-23,208.44-10,686.26

Finding the Fourth Proportional to 16,820.80, 23,208.44 and 10,686.26

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Solution

The fourth proportional to 16,820.80, 23,208.44 and 10,686.26 is: 14,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.80 : 23,208.44 = 10,686.26 : x
  2. Step 2: Convert to fraction form
    16,820.80/23,208.44 = 10,686.26/x
  3. Step 3: Cross multiply
    16,820.80x = 23,208.44 × 10,686.26
  4. Step 4: Simplify right side
    16,820.80x = 248,011,508.77
  5. Step 5: Solve for x
    x = 248,011,508.77/16,820.80
  6. Step 6: Final answer
    x = 14,744.34

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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.