Home / 16,718.80-23,074.40-9,643.84

Finding the Fourth Proportional to 16,718.80, 23,074.40 and 9,643.84

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Solution

The fourth proportional to 16,718.80, 23,074.40 and 9,643.84 is: 13,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.80 : 23,074.40 = 9,643.84 : x
  2. Step 2: Convert to fraction form
    16,718.80/23,074.40 = 9,643.84/x
  3. Step 3: Cross multiply
    16,718.80x = 23,074.40 × 9,643.84
  4. Step 4: Simplify right side
    16,718.80x = 222,525,821.70
  5. Step 5: Solve for x
    x = 222,525,821.70/16,718.80
  6. Step 6: Final answer
    x = 13,309.92

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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.