Home / 12,261.14-16,920.24-6,955.91

Finding the Fourth Proportional to 12,261.14, 16,920.24 and 6,955.91

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Solution

The fourth proportional to 12,261.14, 16,920.24 and 6,955.91 is: 9,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.14 : 16,920.24 = 6,955.91 : x
  2. Step 2: Convert to fraction form
    12,261.14/16,920.24 = 6,955.91/x
  3. Step 3: Cross multiply
    12,261.14x = 16,920.24 × 6,955.91
  4. Step 4: Simplify right side
    12,261.14x = 117,695,582.02
  5. Step 5: Solve for x
    x = 117,695,582.02/12,261.14
  6. Step 6: Final answer
    x = 9,599.08

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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.