Home / 19,451.40-29,180.70-6,304.20

Finding the Fourth Proportional to 19,451.40, 29,180.70 and 6,304.20

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Solution

The fourth proportional to 19,451.40, 29,180.70 and 6,304.20 is: 9,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.40 : 29,180.70 = 6,304.20 : x
  2. Step 2: Convert to fraction form
    19,451.40/29,180.70 = 6,304.20/x
  3. Step 3: Cross multiply
    19,451.40x = 29,180.70 × 6,304.20
  4. Step 4: Simplify right side
    19,451.40x = 183,960,968.94
  5. Step 5: Solve for x
    x = 183,960,968.94/19,451.40
  6. Step 6: Final answer
    x = 9,457.47

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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.