Home / 22,430.72-30,952.96-12,357.44

Finding the Fourth Proportional to 22,430.72, 30,952.96 and 12,357.44

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Solution

The fourth proportional to 22,430.72, 30,952.96 and 12,357.44 is: 17,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.72 : 30,952.96 = 12,357.44 : x
  2. Step 2: Convert to fraction form
    22,430.72/30,952.96 = 12,357.44/x
  3. Step 3: Cross multiply
    22,430.72x = 30,952.96 × 12,357.44
  4. Step 4: Simplify right side
    22,430.72x = 382,499,346.02
  5. Step 5: Solve for x
    x = 382,499,346.02/22,430.72
  6. Step 6: Final answer
    x = 17,052.48

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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.