Home / 12,316.21-16,994.51-6,937.88

Finding the Fourth Proportional to 12,316.21, 16,994.51 and 6,937.88

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Solution

The fourth proportional to 12,316.21, 16,994.51 and 6,937.88 is: 9,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.21 : 16,994.51 = 6,937.88 : x
  2. Step 2: Convert to fraction form
    12,316.21/16,994.51 = 6,937.88/x
  3. Step 3: Cross multiply
    12,316.21x = 16,994.51 × 6,937.88
  4. Step 4: Simplify right side
    12,316.21x = 117,905,793.86
  5. Step 5: Solve for x
    x = 117,905,793.86/12,316.21
  6. Step 6: Final answer
    x = 9,573.22

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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.