Home / 12,035.88-18,053.52-5,457.28

Finding the Fourth Proportional to 12,035.88, 18,053.52 and 5,457.28

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Solution

The fourth proportional to 12,035.88, 18,053.52 and 5,457.28 is: 8,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.88 : 18,053.52 = 5,457.28 : x
  2. Step 2: Convert to fraction form
    12,035.88/18,053.52 = 5,457.28/x
  3. Step 3: Cross multiply
    12,035.88x = 18,053.52 × 5,457.28
  4. Step 4: Simplify right side
    12,035.88x = 98,523,113.63
  5. Step 5: Solve for x
    x = 98,523,113.63/12,035.88
  6. Step 6: Final answer
    x = 8,185.78

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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.