Home / 23,154.80-31,953.56-12,544.45

Finding the Fourth Proportional to 23,154.80, 31,953.56 and 12,544.45

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Solution

The fourth proportional to 23,154.80, 31,953.56 and 12,544.45 is: 17,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.80 : 31,953.56 = 12,544.45 : x
  2. Step 2: Convert to fraction form
    23,154.80/31,953.56 = 12,544.45/x
  3. Step 3: Cross multiply
    23,154.80x = 31,953.56 × 12,544.45
  4. Step 4: Simplify right side
    23,154.80x = 400,839,693.14
  5. Step 5: Solve for x
    x = 400,839,693.14/23,154.80
  6. Step 6: Final answer
    x = 17,311.30

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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.