Home / 19,981.71-29,964.76-7,494.93

Finding the Fourth Proportional to 19,981.71, 29,964.76 and 7,494.93

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Solution

The fourth proportional to 19,981.71, 29,964.76 and 7,494.93 is: 11,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.71 : 29,964.76 = 7,494.93 : x
  2. Step 2: Convert to fraction form
    19,981.71/29,964.76 = 7,494.93/x
  3. Step 3: Cross multiply
    19,981.71x = 29,964.76 × 7,494.93
  4. Step 4: Simplify right side
    19,981.71x = 224,583,778.67
  5. Step 5: Solve for x
    x = 224,583,778.67/19,981.71
  6. Step 6: Final answer
    x = 11,239.47

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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.