Home / 11,698.20-16,145.73-6,985.08

Finding the Fourth Proportional to 11,698.20, 16,145.73 and 6,985.08

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Solution

The fourth proportional to 11,698.20, 16,145.73 and 6,985.08 is: 9,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.20 : 16,145.73 = 6,985.08 : x
  2. Step 2: Convert to fraction form
    11,698.20/16,145.73 = 6,985.08/x
  3. Step 3: Cross multiply
    11,698.20x = 16,145.73 × 6,985.08
  4. Step 4: Simplify right side
    11,698.20x = 112,779,215.71
  5. Step 5: Solve for x
    x = 112,779,215.71/11,698.20
  6. Step 6: Final answer
    x = 9,640.73

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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.