Home / 14,014.22-21,028.64-13,207.46

Finding the Fourth Proportional to 14,014.22, 21,028.64 and 13,207.46

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Solution

The fourth proportional to 14,014.22, 21,028.64 and 13,207.46 is: 19,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.22 : 21,028.64 = 13,207.46 : x
  2. Step 2: Convert to fraction form
    14,014.22/21,028.64 = 13,207.46/x
  3. Step 3: Cross multiply
    14,014.22x = 21,028.64 × 13,207.46
  4. Step 4: Simplify right side
    14,014.22x = 277,734,750.47
  5. Step 5: Solve for x
    x = 277,734,750.47/14,014.22
  6. Step 6: Final answer
    x = 19,818.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.