Home / 22,051.85-30,430.12-12,493.74

Finding the Fourth Proportional to 22,051.85, 30,430.12 and 12,493.74

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Solution

The fourth proportional to 22,051.85, 30,430.12 and 12,493.74 is: 17,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051.85 : 30,430.12 = 12,493.74 : x
  2. Step 2: Convert to fraction form
    22,051.85/30,430.12 = 12,493.74/x
  3. Step 3: Cross multiply
    22,051.85x = 30,430.12 × 12,493.74
  4. Step 4: Simplify right side
    22,051.85x = 380,186,007.45
  5. Step 5: Solve for x
    x = 380,186,007.45/22,051.85
  6. Step 6: Final answer
    x = 17,240.55

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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.