Home / 12,681.23-19,023.12-4,361.92

Finding the Fourth Proportional to 12,681.23, 19,023.12 and 4,361.92

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Solution

The fourth proportional to 12,681.23, 19,023.12 and 4,361.92 is: 6,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.23 : 19,023.12 = 4,361.92 : x
  2. Step 2: Convert to fraction form
    12,681.23/19,023.12 = 4,361.92/x
  3. Step 3: Cross multiply
    12,681.23x = 19,023.12 × 4,361.92
  4. Step 4: Simplify right side
    12,681.23x = 82,977,280.03
  5. Step 5: Solve for x
    x = 82,977,280.03/12,681.23
  6. Step 6: Final answer
    x = 6,543.32

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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.