Home / 19,299.18-28,933.65-7,621.14

Finding the Fourth Proportional to 19,299.18, 28,933.65 and 7,621.14

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Solution

The fourth proportional to 19,299.18, 28,933.65 and 7,621.14 is: 11,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.18 : 28,933.65 = 7,621.14 : x
  2. Step 2: Convert to fraction form
    19,299.18/28,933.65 = 7,621.14/x
  3. Step 3: Cross multiply
    19,299.18x = 28,933.65 × 7,621.14
  4. Step 4: Simplify right side
    19,299.18x = 220,507,397.36
  5. Step 5: Solve for x
    x = 220,507,397.36/19,299.18
  6. Step 6: Final answer
    x = 11,425.74

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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.