Home / 14,069.64-19,458-12,575.20

Finding the Fourth Proportional to 14,069.64, 19,458 and 12,575.20

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Solution

The fourth proportional to 14,069.64, 19,458 and 12,575.20 is: 17,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.64 : 19,458 = 12,575.20 : x
  2. Step 2: Convert to fraction form
    14,069.64/19,458 = 12,575.20/x
  3. Step 3: Cross multiply
    14,069.64x = 19,458 × 12,575.20
  4. Step 4: Simplify right side
    14,069.64x = 244,688,241.60
  5. Step 5: Solve for x
    x = 244,688,241.60/14,069.64
  6. Step 6: Final answer
    x = 17,391.22

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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.