Home / 12,681.46-19,025.28-4,361.59

Finding the Fourth Proportional to 12,681.46, 19,025.28 and 4,361.59

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Solution

The fourth proportional to 12,681.46, 19,025.28 and 4,361.59 is: 6,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.46 : 19,025.28 = 4,361.59 : x
  2. Step 2: Convert to fraction form
    12,681.46/19,025.28 = 4,361.59/x
  3. Step 3: Cross multiply
    12,681.46x = 19,025.28 × 4,361.59
  4. Step 4: Simplify right side
    12,681.46x = 82,980,471.00
  5. Step 5: Solve for x
    x = 82,980,471.00/12,681.46
  6. Step 6: Final answer
    x = 6,543.45

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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.