Home / 13,498.23-18,617.51-9,912.06

Finding the Fourth Proportional to 13,498.23, 18,617.51 and 9,912.06

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Solution

The fourth proportional to 13,498.23, 18,617.51 and 9,912.06 is: 13,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.23 : 18,617.51 = 9,912.06 : x
  2. Step 2: Convert to fraction form
    13,498.23/18,617.51 = 9,912.06/x
  3. Step 3: Cross multiply
    13,498.23x = 18,617.51 × 9,912.06
  4. Step 4: Simplify right side
    13,498.23x = 184,537,876.17
  5. Step 5: Solve for x
    x = 184,537,876.17/13,498.23
  6. Step 6: Final answer
    x = 13,671.26

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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.