Home / 10,992.90-16,488.95-4,417.30

Finding the Fourth Proportional to 10,992.90, 16,488.95 and 4,417.30

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Solution

The fourth proportional to 10,992.90, 16,488.95 and 4,417.30 is: 6,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.90 : 16,488.95 = 4,417.30 : x
  2. Step 2: Convert to fraction form
    10,992.90/16,488.95 = 4,417.30/x
  3. Step 3: Cross multiply
    10,992.90x = 16,488.95 × 4,417.30
  4. Step 4: Simplify right side
    10,992.90x = 72,836,638.84
  5. Step 5: Solve for x
    x = 72,836,638.84/10,992.90
  6. Step 6: Final answer
    x = 6,625.79

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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.