Home / 19,153-28,731.18-5,302.12

Finding the Fourth Proportional to 19,153, 28,731.18 and 5,302.12

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Solution

The fourth proportional to 19,153, 28,731.18 and 5,302.12 is: 7,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153 : 28,731.18 = 5,302.12 : x
  2. Step 2: Convert to fraction form
    19,153/28,731.18 = 5,302.12/x
  3. Step 3: Cross multiply
    19,153x = 28,731.18 × 5,302.12
  4. Step 4: Simplify right side
    19,153x = 152,336,164.10
  5. Step 5: Solve for x
    x = 152,336,164.10/19,153
  6. Step 6: Final answer
    x = 7,953.65

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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.