Home / 12,292.60-16,964.10-6,987.24

Finding the Fourth Proportional to 12,292.60, 16,964.10 and 6,987.24

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Solution

The fourth proportional to 12,292.60, 16,964.10 and 6,987.24 is: 9,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.60 : 16,964.10 = 6,987.24 : x
  2. Step 2: Convert to fraction form
    12,292.60/16,964.10 = 6,987.24/x
  3. Step 3: Cross multiply
    12,292.60x = 16,964.10 × 6,987.24
  4. Step 4: Simplify right side
    12,292.60x = 118,532,238.08
  5. Step 5: Solve for x
    x = 118,532,238.08/12,292.60
  6. Step 6: Final answer
    x = 9,642.57

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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.