Home / 12,361.14-18,547.38-6,740.55

Finding the Fourth Proportional to 12,361.14, 18,547.38 and 6,740.55

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Solution

The fourth proportional to 12,361.14, 18,547.38 and 6,740.55 is: 10,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.14 : 18,547.38 = 6,740.55 : x
  2. Step 2: Convert to fraction form
    12,361.14/18,547.38 = 6,740.55/x
  3. Step 3: Cross multiply
    12,361.14x = 18,547.38 × 6,740.55
  4. Step 4: Simplify right side
    12,361.14x = 125,019,542.26
  5. Step 5: Solve for x
    x = 125,019,542.26/12,361.14
  6. Step 6: Final answer
    x = 10,113.92

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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.