Home / 14,364.18-21,649.38-13,560.48

Finding the Fourth Proportional to 14,364.18, 21,649.38 and 13,560.48

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Solution

The fourth proportional to 14,364.18, 21,649.38 and 13,560.48 is: 20,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.18 : 21,649.38 = 13,560.48 : x
  2. Step 2: Convert to fraction form
    14,364.18/21,649.38 = 13,560.48/x
  3. Step 3: Cross multiply
    14,364.18x = 21,649.38 × 13,560.48
  4. Step 4: Simplify right side
    14,364.18x = 293,575,984.50
  5. Step 5: Solve for x
    x = 293,575,984.50/14,364.18
  6. Step 6: Final answer
    x = 20,438.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.