Home / 12,515.77-17,271.80-6,926.77

Finding the Fourth Proportional to 12,515.77, 17,271.80 and 6,926.77

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Solution

The fourth proportional to 12,515.77, 17,271.80 and 6,926.77 is: 9,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.77 : 17,271.80 = 6,926.77 : x
  2. Step 2: Convert to fraction form
    12,515.77/17,271.80 = 6,926.77/x
  3. Step 3: Cross multiply
    12,515.77x = 17,271.80 × 6,926.77
  4. Step 4: Simplify right side
    12,515.77x = 119,637,786.09
  5. Step 5: Solve for x
    x = 119,637,786.09/12,515.77
  6. Step 6: Final answer
    x = 9,558.96

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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.