Home / 19,687.05-29,530.58-7,201.67

Finding the Fourth Proportional to 19,687.05, 29,530.58 and 7,201.67

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Solution

The fourth proportional to 19,687.05, 29,530.58 and 7,201.67 is: 10,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.05 : 29,530.58 = 7,201.67 : x
  2. Step 2: Convert to fraction form
    19,687.05/29,530.58 = 7,201.67/x
  3. Step 3: Cross multiply
    19,687.05x = 29,530.58 × 7,201.67
  4. Step 4: Simplify right side
    19,687.05x = 212,669,492.07
  5. Step 5: Solve for x
    x = 212,669,492.07/19,687.05
  6. Step 6: Final answer
    x = 10,802.51

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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.