Home / 12,887.16-19,330.83-4,567.38

Finding the Fourth Proportional to 12,887.16, 19,330.83 and 4,567.38

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Solution

The fourth proportional to 12,887.16, 19,330.83 and 4,567.38 is: 6,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.16 : 19,330.83 = 4,567.38 : x
  2. Step 2: Convert to fraction form
    12,887.16/19,330.83 = 4,567.38/x
  3. Step 3: Cross multiply
    12,887.16x = 19,330.83 × 4,567.38
  4. Step 4: Simplify right side
    12,887.16x = 88,291,246.33
  5. Step 5: Solve for x
    x = 88,291,246.33/12,887.16
  6. Step 6: Final answer
    x = 6,851.10

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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.