Home / 19,876.34-29,814.21-5,085.14

Finding the Fourth Proportional to 19,876.34, 29,814.21 and 5,085.14

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Solution

The fourth proportional to 19,876.34, 29,814.21 and 5,085.14 is: 7,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.34 : 29,814.21 = 5,085.14 : x
  2. Step 2: Convert to fraction form
    19,876.34/29,814.21 = 5,085.14/x
  3. Step 3: Cross multiply
    19,876.34x = 29,814.21 × 5,085.14
  4. Step 4: Simplify right side
    19,876.34x = 151,609,282.77
  5. Step 5: Solve for x
    x = 151,609,282.77/19,876.34
  6. Step 6: Final answer
    x = 7,627.62

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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.