Home / 15,708.34-21,676.47-8,994.02

Finding the Fourth Proportional to 15,708.34, 21,676.47 and 8,994.02

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Solution

The fourth proportional to 15,708.34, 21,676.47 and 8,994.02 is: 12,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.34 : 21,676.47 = 8,994.02 : x
  2. Step 2: Convert to fraction form
    15,708.34/21,676.47 = 8,994.02/x
  3. Step 3: Cross multiply
    15,708.34x = 21,676.47 × 8,994.02
  4. Step 4: Simplify right side
    15,708.34x = 194,958,604.71
  5. Step 5: Solve for x
    x = 194,958,604.71/15,708.34
  6. Step 6: Final answer
    x = 12,411.15

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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.