Home / 12,653.24-17,461.04-6,987.88

Finding the Fourth Proportional to 12,653.24, 17,461.04 and 6,987.88

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Solution

The fourth proportional to 12,653.24, 17,461.04 and 6,987.88 is: 9,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653.24 : 17,461.04 = 6,987.88 : x
  2. Step 2: Convert to fraction form
    12,653.24/17,461.04 = 6,987.88/x
  3. Step 3: Cross multiply
    12,653.24x = 17,461.04 × 6,987.88
  4. Step 4: Simplify right side
    12,653.24x = 122,015,652.20
  5. Step 5: Solve for x
    x = 122,015,652.20/12,653.24
  6. Step 6: Final answer
    x = 9,643.04

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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.