Home / 14,401.88-19,867.01-9,917.86

Finding the Fourth Proportional to 14,401.88, 19,867.01 and 9,917.86

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Solution

The fourth proportional to 14,401.88, 19,867.01 and 9,917.86 is: 13,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.88 : 19,867.01 = 9,917.86 : x
  2. Step 2: Convert to fraction form
    14,401.88/19,867.01 = 9,917.86/x
  3. Step 3: Cross multiply
    14,401.88x = 19,867.01 × 9,917.86
  4. Step 4: Simplify right side
    14,401.88x = 197,038,223.80
  5. Step 5: Solve for x
    x = 197,038,223.80/14,401.88
  6. Step 6: Final answer
    x = 13,681.42

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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.