Home / 9,649.50-13,317.12-6,111.42

Finding the Fourth Proportional to 9,649.50, 13,317.12 and 6,111.42

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Solution

The fourth proportional to 9,649.50, 13,317.12 and 6,111.42 is: 8,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,649.50 : 13,317.12 = 6,111.42 : x
  2. Step 2: Convert to fraction form
    9,649.50/13,317.12 = 6,111.42/x
  3. Step 3: Cross multiply
    9,649.50x = 13,317.12 × 6,111.42
  4. Step 4: Simplify right side
    9,649.50x = 81,386,513.51
  5. Step 5: Solve for x
    x = 81,386,513.51/9,649.50
  6. Step 6: Final answer
    x = 8,434.27

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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.