Home / 19,685.32-29,537.20-9,825.38

Finding the Fourth Proportional to 19,685.32, 29,537.20 and 9,825.38

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Solution

The fourth proportional to 19,685.32, 29,537.20 and 9,825.38 is: 14,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.32 : 29,537.20 = 9,825.38 : x
  2. Step 2: Convert to fraction form
    19,685.32/29,537.20 = 9,825.38/x
  3. Step 3: Cross multiply
    19,685.32x = 29,537.20 × 9,825.38
  4. Step 4: Simplify right side
    19,685.32x = 290,214,214.14
  5. Step 5: Solve for x
    x = 290,214,214.14/19,685.32
  6. Step 6: Final answer
    x = 14,742.67

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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.