Home / 14,355.36-21,404.12-13,807.26

Finding the Fourth Proportional to 14,355.36, 21,404.12 and 13,807.26

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Solution

The fourth proportional to 14,355.36, 21,404.12 and 13,807.26 is: 20,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.36 : 21,404.12 = 13,807.26 : x
  2. Step 2: Convert to fraction form
    14,355.36/21,404.12 = 13,807.26/x
  3. Step 3: Cross multiply
    14,355.36x = 21,404.12 × 13,807.26
  4. Step 4: Simplify right side
    14,355.36x = 295,532,180.87
  5. Step 5: Solve for x
    x = 295,532,180.87/14,355.36
  6. Step 6: Final answer
    x = 20,586.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.