Home / 10,300.88-15,439.44-4,742.60

Finding the Fourth Proportional to 10,300.88, 15,439.44 and 4,742.60

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Solution

The fourth proportional to 10,300.88, 15,439.44 and 4,742.60 is: 7,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.88 : 15,439.44 = 4,742.60 : x
  2. Step 2: Convert to fraction form
    10,300.88/15,439.44 = 4,742.60/x
  3. Step 3: Cross multiply
    10,300.88x = 15,439.44 × 4,742.60
  4. Step 4: Simplify right side
    10,300.88x = 73,223,088.14
  5. Step 5: Solve for x
    x = 73,223,088.14/10,300.88
  6. Step 6: Final answer
    x = 7,108.43

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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.