Home / 14,560.32-21,819.60-8,307.36

Finding the Fourth Proportional to 14,560.32, 21,819.60 and 8,307.36

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Solution

The fourth proportional to 14,560.32, 21,819.60 and 8,307.36 is: 12,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.32 : 21,819.60 = 8,307.36 : x
  2. Step 2: Convert to fraction form
    14,560.32/21,819.60 = 8,307.36/x
  3. Step 3: Cross multiply
    14,560.32x = 21,819.60 × 8,307.36
  4. Step 4: Simplify right side
    14,560.32x = 181,263,272.26
  5. Step 5: Solve for x
    x = 181,263,272.26/14,560.32
  6. Step 6: Final answer
    x = 12,449.13

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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.