Home / 19,277.46-28,916.19-7,590.38

Finding the Fourth Proportional to 19,277.46, 28,916.19 and 7,590.38

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Solution

The fourth proportional to 19,277.46, 28,916.19 and 7,590.38 is: 11,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.46 : 28,916.19 = 7,590.38 : x
  2. Step 2: Convert to fraction form
    19,277.46/28,916.19 = 7,590.38/x
  3. Step 3: Cross multiply
    19,277.46x = 28,916.19 × 7,590.38
  4. Step 4: Simplify right side
    19,277.46x = 219,484,725.67
  5. Step 5: Solve for x
    x = 219,484,725.67/19,277.46
  6. Step 6: Final answer
    x = 11,385.56

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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.