Home / 10,612.22-15,905.36-5,674.46

Finding the Fourth Proportional to 10,612.22, 15,905.36 and 5,674.46

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Solution

The fourth proportional to 10,612.22, 15,905.36 and 5,674.46 is: 8,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.22 : 15,905.36 = 5,674.46 : x
  2. Step 2: Convert to fraction form
    10,612.22/15,905.36 = 5,674.46/x
  3. Step 3: Cross multiply
    10,612.22x = 15,905.36 × 5,674.46
  4. Step 4: Simplify right side
    10,612.22x = 90,254,263.76
  5. Step 5: Solve for x
    x = 90,254,263.76/10,612.22
  6. Step 6: Final answer
    x = 8,504.75

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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.