Home / 13,438.16-20,157.70-4,673.16

Finding the Fourth Proportional to 13,438.16, 20,157.70 and 4,673.16

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Solution

The fourth proportional to 13,438.16, 20,157.70 and 4,673.16 is: 7,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.16 : 20,157.70 = 4,673.16 : x
  2. Step 2: Convert to fraction form
    13,438.16/20,157.70 = 4,673.16/x
  3. Step 3: Cross multiply
    13,438.16x = 20,157.70 × 4,673.16
  4. Step 4: Simplify right side
    13,438.16x = 94,200,157.33
  5. Step 5: Solve for x
    x = 94,200,157.33/13,438.16
  6. Step 6: Final answer
    x = 7,009.90

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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.