Home / 19,604.04-29,405.79-4,812.90

Finding the Fourth Proportional to 19,604.04, 29,405.79 and 4,812.90

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Solution

The fourth proportional to 19,604.04, 29,405.79 and 4,812.90 is: 7,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.04 : 29,405.79 = 4,812.90 : x
  2. Step 2: Convert to fraction form
    19,604.04/29,405.79 = 4,812.90/x
  3. Step 3: Cross multiply
    19,604.04x = 29,405.79 × 4,812.90
  4. Step 4: Simplify right side
    19,604.04x = 141,527,126.69
  5. Step 5: Solve for x
    x = 141,527,126.69/19,604.04
  6. Step 6: Final answer
    x = 7,219.28

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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.