Home / 10,303.10-15,457.68-3,550.40

Finding the Fourth Proportional to 10,303.10, 15,457.68 and 3,550.40

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Solution

The fourth proportional to 10,303.10, 15,457.68 and 3,550.40 is: 5,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.10 : 15,457.68 = 3,550.40 : x
  2. Step 2: Convert to fraction form
    10,303.10/15,457.68 = 3,550.40/x
  3. Step 3: Cross multiply
    10,303.10x = 15,457.68 × 3,550.40
  4. Step 4: Simplify right side
    10,303.10x = 54,880,869.78
  5. Step 5: Solve for x
    x = 54,880,869.78/10,303.10
  6. Step 6: Final answer
    x = 5,326.64

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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.