Home / 10,555.07-15,827.49-4,312.60

Finding the Fourth Proportional to 10,555.07, 15,827.49 and 4,312.60

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Solution

The fourth proportional to 10,555.07, 15,827.49 and 4,312.60 is: 6,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.07 : 15,827.49 = 4,312.60 : x
  2. Step 2: Convert to fraction form
    10,555.07/15,827.49 = 4,312.60/x
  3. Step 3: Cross multiply
    10,555.07x = 15,827.49 × 4,312.60
  4. Step 4: Simplify right side
    10,555.07x = 68,257,653.16
  5. Step 5: Solve for x
    x = 68,257,653.16/10,555.07
  6. Step 6: Final answer
    x = 6,466.81

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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.