Home / 13,237.29-18,262.80-8,196.26

Finding the Fourth Proportional to 13,237.29, 18,262.80 and 8,196.26

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Solution

The fourth proportional to 13,237.29, 18,262.80 and 8,196.26 is: 11,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.29 : 18,262.80 = 8,196.26 : x
  2. Step 2: Convert to fraction form
    13,237.29/18,262.80 = 8,196.26/x
  3. Step 3: Cross multiply
    13,237.29x = 18,262.80 × 8,196.26
  4. Step 4: Simplify right side
    13,237.29x = 149,686,565.81
  5. Step 5: Solve for x
    x = 149,686,565.81/13,237.29
  6. Step 6: Final answer
    x = 11,307.95

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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.