Home / 12,454.41-18,681.58-4,135.06

Finding the Fourth Proportional to 12,454.41, 18,681.58 and 4,135.06

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Solution

The fourth proportional to 12,454.41, 18,681.58 and 4,135.06 is: 6,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.41 : 18,681.58 = 4,135.06 : x
  2. Step 2: Convert to fraction form
    12,454.41/18,681.58 = 4,135.06/x
  3. Step 3: Cross multiply
    12,454.41x = 18,681.58 × 4,135.06
  4. Step 4: Simplify right side
    12,454.41x = 77,249,397.15
  5. Step 5: Solve for x
    x = 77,249,397.15/12,454.41
  6. Step 6: Final answer
    x = 6,202.57

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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.