Home / 13,426.67-18,521.35-12,476.35

Finding the Fourth Proportional to 13,426.67, 18,521.35 and 12,476.35

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Solution

The fourth proportional to 13,426.67, 18,521.35 and 12,476.35 is: 17,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.67 : 18,521.35 = 12,476.35 : x
  2. Step 2: Convert to fraction form
    13,426.67/18,521.35 = 12,476.35/x
  3. Step 3: Cross multiply
    13,426.67x = 18,521.35 × 12,476.35
  4. Step 4: Simplify right side
    13,426.67x = 231,078,845.07
  5. Step 5: Solve for x
    x = 231,078,845.07/13,426.67
  6. Step 6: Final answer
    x = 17,210.44

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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.