Home / 15,814.66-21,774.27-13,924.93

Finding the Fourth Proportional to 15,814.66, 21,774.27 and 13,924.93

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Solution

The fourth proportional to 15,814.66, 21,774.27 and 13,924.93 is: 19,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.66 : 21,774.27 = 13,924.93 : x
  2. Step 2: Convert to fraction form
    15,814.66/21,774.27 = 13,924.93/x
  3. Step 3: Cross multiply
    15,814.66x = 21,774.27 × 13,924.93
  4. Step 4: Simplify right side
    15,814.66x = 303,205,185.55
  5. Step 5: Solve for x
    x = 303,205,185.55/15,814.66
  6. Step 6: Final answer
    x = 19,172.41

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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.