Home / 10,530.06-15,795.05-4,288.68

Finding the Fourth Proportional to 10,530.06, 15,795.05 and 4,288.68

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Solution

The fourth proportional to 10,530.06, 15,795.05 and 4,288.68 is: 6,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.06 : 15,795.05 = 4,288.68 : x
  2. Step 2: Convert to fraction form
    10,530.06/15,795.05 = 4,288.68/x
  3. Step 3: Cross multiply
    10,530.06x = 15,795.05 × 4,288.68
  4. Step 4: Simplify right side
    10,530.06x = 67,739,893.59
  5. Step 5: Solve for x
    x = 67,739,893.59/10,530.06
  6. Step 6: Final answer
    x = 6,433.00

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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.