Home / 19,909.98-27,464.40-12,445.02

Finding the Fourth Proportional to 19,909.98, 27,464.40 and 12,445.02

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Solution

The fourth proportional to 19,909.98, 27,464.40 and 12,445.02 is: 17,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.98 : 27,464.40 = 12,445.02 : x
  2. Step 2: Convert to fraction form
    19,909.98/27,464.40 = 12,445.02/x
  3. Step 3: Cross multiply
    19,909.98x = 27,464.40 × 12,445.02
  4. Step 4: Simplify right side
    19,909.98x = 341,795,007.29
  5. Step 5: Solve for x
    x = 341,795,007.29/19,909.98
  6. Step 6: Final answer
    x = 17,167.02

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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.