Home / 14,557.08-21,816.12-8,319

Finding the Fourth Proportional to 14,557.08, 21,816.12 and 8,319

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Solution

The fourth proportional to 14,557.08, 21,816.12 and 8,319 is: 12,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.08 : 21,816.12 = 8,319 : x
  2. Step 2: Convert to fraction form
    14,557.08/21,816.12 = 8,319/x
  3. Step 3: Cross multiply
    14,557.08x = 21,816.12 × 8,319
  4. Step 4: Simplify right side
    14,557.08x = 181,488,302.28
  5. Step 5: Solve for x
    x = 181,488,302.28/14,557.08
  6. Step 6: Final answer
    x = 12,467.36

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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.