Home / 15,904.74-21,945.06-9,616.98

Finding the Fourth Proportional to 15,904.74, 21,945.06 and 9,616.98

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Solution

The fourth proportional to 15,904.74, 21,945.06 and 9,616.98 is: 13,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.74 : 21,945.06 = 9,616.98 : x
  2. Step 2: Convert to fraction form
    15,904.74/21,945.06 = 9,616.98/x
  3. Step 3: Cross multiply
    15,904.74x = 21,945.06 × 9,616.98
  4. Step 4: Simplify right side
    15,904.74x = 211,045,203.12
  5. Step 5: Solve for x
    x = 211,045,203.12/15,904.74
  6. Step 6: Final answer
    x = 13,269.33

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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.