Home / 14,015.33-21,005.21-13,867.02

Finding the Fourth Proportional to 14,015.33, 21,005.21 and 13,867.02

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Solution

The fourth proportional to 14,015.33, 21,005.21 and 13,867.02 is: 20,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.33 : 21,005.21 = 13,867.02 : x
  2. Step 2: Convert to fraction form
    14,015.33/21,005.21 = 13,867.02/x
  3. Step 3: Cross multiply
    14,015.33x = 21,005.21 × 13,867.02
  4. Step 4: Simplify right side
    14,015.33x = 291,279,667.17
  5. Step 5: Solve for x
    x = 291,279,667.17/14,015.33
  6. Step 6: Final answer
    x = 20,782.93

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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.