Home / 17,979.95-26,965.60-9,210.35

Finding the Fourth Proportional to 17,979.95, 26,965.60 and 9,210.35

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Solution

The fourth proportional to 17,979.95, 26,965.60 and 9,210.35 is: 13,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.95 : 26,965.60 = 9,210.35 : x
  2. Step 2: Convert to fraction form
    17,979.95/26,965.60 = 9,210.35/x
  3. Step 3: Cross multiply
    17,979.95x = 26,965.60 × 9,210.35
  4. Step 4: Simplify right side
    17,979.95x = 248,362,613.96
  5. Step 5: Solve for x
    x = 248,362,613.96/17,979.95
  6. Step 6: Final answer
    x = 13,813.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.