Home / 10,551.15-15,811.07-4,303.49

Finding the Fourth Proportional to 10,551.15, 15,811.07 and 4,303.49

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Solution

The fourth proportional to 10,551.15, 15,811.07 and 4,303.49 is: 6,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.15 : 15,811.07 = 4,303.49 : x
  2. Step 2: Convert to fraction form
    10,551.15/15,811.07 = 4,303.49/x
  3. Step 3: Cross multiply
    10,551.15x = 15,811.07 × 4,303.49
  4. Step 4: Simplify right side
    10,551.15x = 68,042,681.06
  5. Step 5: Solve for x
    x = 68,042,681.06/10,551.15
  6. Step 6: Final answer
    x = 6,448.84

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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.