Home / 18,457.66-27,686.93-6,612.25

Finding the Fourth Proportional to 18,457.66, 27,686.93 and 6,612.25

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Solution

The fourth proportional to 18,457.66, 27,686.93 and 6,612.25 is: 9,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.66 : 27,686.93 = 6,612.25 : x
  2. Step 2: Convert to fraction form
    18,457.66/27,686.93 = 6,612.25/x
  3. Step 3: Cross multiply
    18,457.66x = 27,686.93 × 6,612.25
  4. Step 4: Simplify right side
    18,457.66x = 183,072,902.89
  5. Step 5: Solve for x
    x = 183,072,902.89/18,457.66
  6. Step 6: Final answer
    x = 9,918.53

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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.