Home / 15,412.80-23,007.70-13,544.47

Finding the Fourth Proportional to 15,412.80, 23,007.70 and 13,544.47

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Solution

The fourth proportional to 15,412.80, 23,007.70 and 13,544.47 is: 20,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.80 : 23,007.70 = 13,544.47 : x
  2. Step 2: Convert to fraction form
    15,412.80/23,007.70 = 13,544.47/x
  3. Step 3: Cross multiply
    15,412.80x = 23,007.70 × 13,544.47
  4. Step 4: Simplify right side
    15,412.80x = 311,627,102.42
  5. Step 5: Solve for x
    x = 311,627,102.42/15,412.80
  6. Step 6: Final answer
    x = 20,218.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.