Home / 10,734.36-14,820.24-8,749.60

Finding the Fourth Proportional to 10,734.36, 14,820.24 and 8,749.60

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Solution

The fourth proportional to 10,734.36, 14,820.24 and 8,749.60 is: 12,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,734.36 : 14,820.24 = 8,749.60 : x
  2. Step 2: Convert to fraction form
    10,734.36/14,820.24 = 8,749.60/x
  3. Step 3: Cross multiply
    10,734.36x = 14,820.24 × 8,749.60
  4. Step 4: Simplify right side
    10,734.36x = 129,671,171.90
  5. Step 5: Solve for x
    x = 129,671,171.90/10,734.36
  6. Step 6: Final answer
    x = 12,080.01

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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.