Home / 10,446.20-14,422.34-7,258.48

Finding the Fourth Proportional to 10,446.20, 14,422.34 and 7,258.48

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Solution

The fourth proportional to 10,446.20, 14,422.34 and 7,258.48 is: 10,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.20 : 14,422.34 = 7,258.48 : x
  2. Step 2: Convert to fraction form
    10,446.20/14,422.34 = 7,258.48/x
  3. Step 3: Cross multiply
    10,446.20x = 14,422.34 × 7,258.48
  4. Step 4: Simplify right side
    10,446.20x = 104,684,266.44
  5. Step 5: Solve for x
    x = 104,684,266.44/10,446.20
  6. Step 6: Final answer
    x = 10,021.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.