Home / 30,272.93-45,411.11-9,213.66

Finding the Fourth Proportional to 30,272.93, 45,411.11 and 9,213.66

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Solution

The fourth proportional to 30,272.93, 45,411.11 and 9,213.66 is: 13,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.93 : 45,411.11 = 9,213.66 : x
  2. Step 2: Convert to fraction form
    30,272.93/45,411.11 = 9,213.66/x
  3. Step 3: Cross multiply
    30,272.93x = 45,411.11 × 9,213.66
  4. Step 4: Simplify right side
    30,272.93x = 418,402,527.76
  5. Step 5: Solve for x
    x = 418,402,527.76/30,272.93
  6. Step 6: Final answer
    x = 13,821.01

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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.