Home / 10,304.91-15,457.10-2,909.88

Finding the Fourth Proportional to 10,304.91, 15,457.10 and 2,909.88

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Solution

The fourth proportional to 10,304.91, 15,457.10 and 2,909.88 is: 4,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.91 : 15,457.10 = 2,909.88 : x
  2. Step 2: Convert to fraction form
    10,304.91/15,457.10 = 2,909.88/x
  3. Step 3: Cross multiply
    10,304.91x = 15,457.10 × 2,909.88
  4. Step 4: Simplify right side
    10,304.91x = 44,978,291.60
  5. Step 5: Solve for x
    x = 44,978,291.60/10,304.91
  6. Step 6: Final answer
    x = 4,364.74

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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.