Home / 10,815.24-14,925.09-6,339.03

Finding the Fourth Proportional to 10,815.24, 14,925.09 and 6,339.03

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Solution

The fourth proportional to 10,815.24, 14,925.09 and 6,339.03 is: 8,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.24 : 14,925.09 = 6,339.03 : x
  2. Step 2: Convert to fraction form
    10,815.24/14,925.09 = 6,339.03/x
  3. Step 3: Cross multiply
    10,815.24x = 14,925.09 × 6,339.03
  4. Step 4: Simplify right side
    10,815.24x = 94,610,593.26
  5. Step 5: Solve for x
    x = 94,610,593.26/10,815.24
  6. Step 6: Final answer
    x = 8,747.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.