Home / 11,862.29-16,369.57-6,557.08

Finding the Fourth Proportional to 11,862.29, 16,369.57 and 6,557.08

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Solution

The fourth proportional to 11,862.29, 16,369.57 and 6,557.08 is: 9,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.29 : 16,369.57 = 6,557.08 : x
  2. Step 2: Convert to fraction form
    11,862.29/16,369.57 = 6,557.08/x
  3. Step 3: Cross multiply
    11,862.29x = 16,369.57 × 6,557.08
  4. Step 4: Simplify right side
    11,862.29x = 107,336,580.06
  5. Step 5: Solve for x
    x = 107,336,580.06/11,862.29
  6. Step 6: Final answer
    x = 9,048.55

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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.