Home / 19,812.04-29,711.08-5,768.28

Finding the Fourth Proportional to 19,812.04, 29,711.08 and 5,768.28

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Solution

The fourth proportional to 19,812.04, 29,711.08 and 5,768.28 is: 8,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.04 : 29,711.08 = 5,768.28 : x
  2. Step 2: Convert to fraction form
    19,812.04/29,711.08 = 5,768.28/x
  3. Step 3: Cross multiply
    19,812.04x = 29,711.08 × 5,768.28
  4. Step 4: Simplify right side
    19,812.04x = 171,381,828.54
  5. Step 5: Solve for x
    x = 171,381,828.54/19,812.04
  6. Step 6: Final answer
    x = 8,650.39

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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.