Home / 10,308.60-15,495.30-10,114.20

Finding the Fourth Proportional to 10,308.60, 15,495.30 and 10,114.20

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Solution

The fourth proportional to 10,308.60, 15,495.30 and 10,114.20 is: 15,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.60 : 15,495.30 = 10,114.20 : x
  2. Step 2: Convert to fraction form
    10,308.60/15,495.30 = 10,114.20/x
  3. Step 3: Cross multiply
    10,308.60x = 15,495.30 × 10,114.20
  4. Step 4: Simplify right side
    10,308.60x = 156,722,563.26
  5. Step 5: Solve for x
    x = 156,722,563.26/10,308.60
  6. Step 6: Final answer
    x = 15,203.09

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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.