Home / 11,265.21-16,892.55-4,689.63

Finding the Fourth Proportional to 11,265.21, 16,892.55 and 4,689.63

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Solution

The fourth proportional to 11,265.21, 16,892.55 and 4,689.63 is: 7,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.21 : 16,892.55 = 4,689.63 : x
  2. Step 2: Convert to fraction form
    11,265.21/16,892.55 = 4,689.63/x
  3. Step 3: Cross multiply
    11,265.21x = 16,892.55 × 4,689.63
  4. Step 4: Simplify right side
    11,265.21x = 79,219,809.26
  5. Step 5: Solve for x
    x = 79,219,809.26/11,265.21
  6. Step 6: Final answer
    x = 7,032.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.