Home / 14,216.78-21,326.53-4,354.32

Finding the Fourth Proportional to 14,216.78, 21,326.53 and 4,354.32

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Solution

The fourth proportional to 14,216.78, 21,326.53 and 4,354.32 is: 6,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.78 : 21,326.53 = 4,354.32 : x
  2. Step 2: Convert to fraction form
    14,216.78/21,326.53 = 4,354.32/x
  3. Step 3: Cross multiply
    14,216.78x = 21,326.53 × 4,354.32
  4. Step 4: Simplify right side
    14,216.78x = 92,862,536.11
  5. Step 5: Solve for x
    x = 92,862,536.11/14,216.78
  6. Step 6: Final answer
    x = 6,531.90

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1.5x scale

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.