Home / 9,438.93-14,138.96-5,541.21

Finding the Fourth Proportional to 9,438.93, 14,138.96 and 5,541.21

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Solution

The fourth proportional to 9,438.93, 14,138.96 and 5,541.21 is: 8,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.93 : 14,138.96 = 5,541.21 : x
  2. Step 2: Convert to fraction form
    9,438.93/14,138.96 = 5,541.21/x
  3. Step 3: Cross multiply
    9,438.93x = 14,138.96 × 5,541.21
  4. Step 4: Simplify right side
    9,438.93x = 78,346,918.84
  5. Step 5: Solve for x
    x = 78,346,918.84/9,438.93
  6. Step 6: Final answer
    x = 8,300.40

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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.