Home / 10,355.59-15,538.20-4,434.30

Finding the Fourth Proportional to 10,355.59, 15,538.20 and 4,434.30

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Solution

The fourth proportional to 10,355.59, 15,538.20 and 4,434.30 is: 6,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.59 : 15,538.20 = 4,434.30 : x
  2. Step 2: Convert to fraction form
    10,355.59/15,538.20 = 4,434.30/x
  3. Step 3: Cross multiply
    10,355.59x = 15,538.20 × 4,434.30
  4. Step 4: Simplify right side
    10,355.59x = 68,901,040.26
  5. Step 5: Solve for x
    x = 68,901,040.26/10,355.59
  6. Step 6: Final answer
    x = 6,653.51

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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.