Home / 23,133.16-31,923.46-13,199.08

Finding the Fourth Proportional to 23,133.16, 31,923.46 and 13,199.08

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Solution

The fourth proportional to 23,133.16, 31,923.46 and 13,199.08 is: 18,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.16 : 31,923.46 = 13,199.08 : x
  2. Step 2: Convert to fraction form
    23,133.16/31,923.46 = 13,199.08/x
  3. Step 3: Cross multiply
    23,133.16x = 31,923.46 × 13,199.08
  4. Step 4: Simplify right side
    23,133.16x = 421,360,302.42
  5. Step 5: Solve for x
    x = 421,360,302.42/23,133.16
  6. Step 6: Final answer
    x = 18,214.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.