Home / 10,306.86-15,457.25-4,383.74

Finding the Fourth Proportional to 10,306.86, 15,457.25 and 4,383.74

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Solution

The fourth proportional to 10,306.86, 15,457.25 and 4,383.74 is: 6,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.86 : 15,457.25 = 4,383.74 : x
  2. Step 2: Convert to fraction form
    10,306.86/15,457.25 = 4,383.74/x
  3. Step 3: Cross multiply
    10,306.86x = 15,457.25 × 4,383.74
  4. Step 4: Simplify right side
    10,306.86x = 67,760,565.12
  5. Step 5: Solve for x
    x = 67,760,565.12/10,306.86
  6. Step 6: Final answer
    x = 6,574.32

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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.