Home / 15,838.96-21,855.36-9,463.60

Finding the Fourth Proportional to 15,838.96, 21,855.36 and 9,463.60

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Solution

The fourth proportional to 15,838.96, 21,855.36 and 9,463.60 is: 13,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838.96 : 21,855.36 = 9,463.60 : x
  2. Step 2: Convert to fraction form
    15,838.96/21,855.36 = 9,463.60/x
  3. Step 3: Cross multiply
    15,838.96x = 21,855.36 × 9,463.60
  4. Step 4: Simplify right side
    15,838.96x = 206,830,384.90
  5. Step 5: Solve for x
    x = 206,830,384.90/15,838.96
  6. Step 6: Final answer
    x = 13,058.33

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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.