Home / 13,527.72-18,671.94-7,940.52

Finding the Fourth Proportional to 13,527.72, 18,671.94 and 7,940.52

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Solution

The fourth proportional to 13,527.72, 18,671.94 and 7,940.52 is: 10,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.72 : 18,671.94 = 7,940.52 : x
  2. Step 2: Convert to fraction form
    13,527.72/18,671.94 = 7,940.52/x
  3. Step 3: Cross multiply
    13,527.72x = 18,671.94 × 7,940.52
  4. Step 4: Simplify right side
    13,527.72x = 148,264,913.01
  5. Step 5: Solve for x
    x = 148,264,913.01/13,527.72
  6. Step 6: Final answer
    x = 10,960.08

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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.