Home / 19,742.94-29,614.55-7,897.70

Finding the Fourth Proportional to 19,742.94, 29,614.55 and 7,897.70

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Solution

The fourth proportional to 19,742.94, 29,614.55 and 7,897.70 is: 11,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.94 : 29,614.55 = 7,897.70 : x
  2. Step 2: Convert to fraction form
    19,742.94/29,614.55 = 7,897.70/x
  3. Step 3: Cross multiply
    19,742.94x = 29,614.55 × 7,897.70
  4. Step 4: Simplify right side
    19,742.94x = 233,886,866.08
  5. Step 5: Solve for x
    x = 233,886,866.08/19,742.94
  6. Step 6: Final answer
    x = 11,846.61

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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.