Home / 12,304.79-18,457.45-4,407.82

Finding the Fourth Proportional to 12,304.79, 18,457.45 and 4,407.82

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Solution

The fourth proportional to 12,304.79, 18,457.45 and 4,407.82 is: 6,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.79 : 18,457.45 = 4,407.82 : x
  2. Step 2: Convert to fraction form
    12,304.79/18,457.45 = 4,407.82/x
  3. Step 3: Cross multiply
    12,304.79x = 18,457.45 × 4,407.82
  4. Step 4: Simplify right side
    12,304.79x = 81,357,188.71
  5. Step 5: Solve for x
    x = 81,357,188.71/12,304.79
  6. Step 6: Final answer
    x = 6,611.83

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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.