Home / 12,525.34-18,791.28-5,506.74

Finding the Fourth Proportional to 12,525.34, 18,791.28 and 5,506.74

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Solution

The fourth proportional to 12,525.34, 18,791.28 and 5,506.74 is: 8,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.34 : 18,791.28 = 5,506.74 : x
  2. Step 2: Convert to fraction form
    12,525.34/18,791.28 = 5,506.74/x
  3. Step 3: Cross multiply
    12,525.34x = 18,791.28 × 5,506.74
  4. Step 4: Simplify right side
    12,525.34x = 103,478,693.23
  5. Step 5: Solve for x
    x = 103,478,693.23/12,525.34
  6. Step 6: Final answer
    x = 8,261.55

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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.