Home / 12,029.04-18,046.29-5,457.10

Finding the Fourth Proportional to 12,029.04, 18,046.29 and 5,457.10

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Solution

The fourth proportional to 12,029.04, 18,046.29 and 5,457.10 is: 8,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.04 : 18,046.29 = 5,457.10 : x
  2. Step 2: Convert to fraction form
    12,029.04/18,046.29 = 5,457.10/x
  3. Step 3: Cross multiply
    12,029.04x = 18,046.29 × 5,457.10
  4. Step 4: Simplify right side
    12,029.04x = 98,480,409.16
  5. Step 5: Solve for x
    x = 98,480,409.16/12,029.04
  6. Step 6: Final answer
    x = 8,186.89

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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.