Home / 11,214.21-15,483.07-6,971.61

Finding the Fourth Proportional to 11,214.21, 15,483.07 and 6,971.61

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Solution

The fourth proportional to 11,214.21, 15,483.07 and 6,971.61 is: 9,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.21 : 15,483.07 = 6,971.61 : x
  2. Step 2: Convert to fraction form
    11,214.21/15,483.07 = 6,971.61/x
  3. Step 3: Cross multiply
    11,214.21x = 15,483.07 × 6,971.61
  4. Step 4: Simplify right side
    11,214.21x = 107,941,925.64
  5. Step 5: Solve for x
    x = 107,941,925.64/11,214.21
  6. Step 6: Final answer
    x = 9,625.46

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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.