Home / 18,715.66-28,053.81-7,466.58

Finding the Fourth Proportional to 18,715.66, 28,053.81 and 7,466.58

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Solution

The fourth proportional to 18,715.66, 28,053.81 and 7,466.58 is: 11,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.66 : 28,053.81 = 7,466.58 : x
  2. Step 2: Convert to fraction form
    18,715.66/28,053.81 = 7,466.58/x
  3. Step 3: Cross multiply
    18,715.66x = 28,053.81 × 7,466.58
  4. Step 4: Simplify right side
    18,715.66x = 209,466,016.67
  5. Step 5: Solve for x
    x = 209,466,016.67/18,715.66
  6. Step 6: Final answer
    x = 11,192.02

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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.