Home / 21,369.66-29,467.47-14,665.08

Finding the Fourth Proportional to 21,369.66, 29,467.47 and 14,665.08

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Solution

The fourth proportional to 21,369.66, 29,467.47 and 14,665.08 is: 20,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369.66 : 29,467.47 = 14,665.08 : x
  2. Step 2: Convert to fraction form
    21,369.66/29,467.47 = 14,665.08/x
  3. Step 3: Cross multiply
    21,369.66x = 29,467.47 × 14,665.08
  4. Step 4: Simplify right side
    21,369.66x = 432,142,804.95
  5. Step 5: Solve for x
    x = 432,142,804.95/21,369.66
  6. Step 6: Final answer
    x = 20,222.26

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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.