Home / 45,206.32-67,812.72-11,925.98

Finding the Fourth Proportional to 45,206.32, 67,812.72 and 11,925.98

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Solution

The fourth proportional to 45,206.32, 67,812.72 and 11,925.98 is: 17,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,206.32 : 67,812.72 = 11,925.98 : x
  2. Step 2: Convert to fraction form
    45,206.32/67,812.72 = 11,925.98/x
  3. Step 3: Cross multiply
    45,206.32x = 67,812.72 × 11,925.98
  4. Step 4: Simplify right side
    45,206.32x = 808,733,427.97
  5. Step 5: Solve for x
    x = 808,733,427.97/45,206.32
  6. Step 6: Final answer
    x = 17,889.83

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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.