Home / 10,530.83-15,782.61-4,283.59

Finding the Fourth Proportional to 10,530.83, 15,782.61 and 4,283.59

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Solution

The fourth proportional to 10,530.83, 15,782.61 and 4,283.59 is: 6,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.83 : 15,782.61 = 4,283.59 : x
  2. Step 2: Convert to fraction form
    10,530.83/15,782.61 = 4,283.59/x
  3. Step 3: Cross multiply
    10,530.83x = 15,782.61 × 4,283.59
  4. Step 4: Simplify right side
    10,530.83x = 67,606,230.37
  5. Step 5: Solve for x
    x = 67,606,230.37/10,530.83
  6. Step 6: Final answer
    x = 6,419.84

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1.5x scale

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.