Home / 19,812.93-29,714.63-5,769.15

Finding the Fourth Proportional to 19,812.93, 29,714.63 and 5,769.15

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Solution

The fourth proportional to 19,812.93, 29,714.63 and 5,769.15 is: 8,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.93 : 29,714.63 = 5,769.15 : x
  2. Step 2: Convert to fraction form
    19,812.93/29,714.63 = 5,769.15/x
  3. Step 3: Cross multiply
    19,812.93x = 29,714.63 × 5,769.15
  4. Step 4: Simplify right side
    19,812.93x = 171,428,128.82
  5. Step 5: Solve for x
    x = 171,428,128.82/19,812.93
  6. Step 6: Final answer
    x = 8,652.34

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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.