Home / 13,225.10-18,227.91-12,602.26

Finding the Fourth Proportional to 13,225.10, 18,227.91 and 12,602.26

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Solution

The fourth proportional to 13,225.10, 18,227.91 and 12,602.26 is: 17,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.10 : 18,227.91 = 12,602.26 : x
  2. Step 2: Convert to fraction form
    13,225.10/18,227.91 = 12,602.26/x
  3. Step 3: Cross multiply
    13,225.10x = 18,227.91 × 12,602.26
  4. Step 4: Simplify right side
    13,225.10x = 229,712,768.25
  5. Step 5: Solve for x
    x = 229,712,768.25/13,225.10
  6. Step 6: Final answer
    x = 17,369.46

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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.