Home / 19,385.28-29,094.48-7,706.70

Finding the Fourth Proportional to 19,385.28, 29,094.48 and 7,706.70

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Solution

The fourth proportional to 19,385.28, 29,094.48 and 7,706.70 is: 11,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.28 : 29,094.48 = 7,706.70 : x
  2. Step 2: Convert to fraction form
    19,385.28/29,094.48 = 7,706.70/x
  3. Step 3: Cross multiply
    19,385.28x = 29,094.48 × 7,706.70
  4. Step 4: Simplify right side
    19,385.28x = 224,222,429.02
  5. Step 5: Solve for x
    x = 224,222,429.02/19,385.28
  6. Step 6: Final answer
    x = 11,566.63

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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.