Home / 12,290.19-16,955.64-7,566.27

Finding the Fourth Proportional to 12,290.19, 16,955.64 and 7,566.27

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Solution

The fourth proportional to 12,290.19, 16,955.64 and 7,566.27 is: 10,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290.19 : 16,955.64 = 7,566.27 : x
  2. Step 2: Convert to fraction form
    12,290.19/16,955.64 = 7,566.27/x
  3. Step 3: Cross multiply
    12,290.19x = 16,955.64 × 7,566.27
  4. Step 4: Simplify right side
    12,290.19x = 128,290,950.26
  5. Step 5: Solve for x
    x = 128,290,950.26/12,290.19
  6. Step 6: Final answer
    x = 10,438.48

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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.