Home / 9,318.90-12,860.37-5,070.27

Finding the Fourth Proportional to 9,318.90, 12,860.37 and 5,070.27

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Solution

The fourth proportional to 9,318.90, 12,860.37 and 5,070.27 is: 6,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.90 : 12,860.37 = 5,070.27 : x
  2. Step 2: Convert to fraction form
    9,318.90/12,860.37 = 5,070.27/x
  3. Step 3: Cross multiply
    9,318.90x = 12,860.37 × 5,070.27
  4. Step 4: Simplify right side
    9,318.90x = 65,205,548.20
  5. Step 5: Solve for x
    x = 65,205,548.20/9,318.90
  6. Step 6: Final answer
    x = 6,997.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.