Home / 13,322.61-19,964.84-9,784.85

Finding the Fourth Proportional to 13,322.61, 19,964.84 and 9,784.85

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Solution

The fourth proportional to 13,322.61, 19,964.84 and 9,784.85 is: 14,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.61 : 19,964.84 = 9,784.85 : x
  2. Step 2: Convert to fraction form
    13,322.61/19,964.84 = 9,784.85/x
  3. Step 3: Cross multiply
    13,322.61x = 19,964.84 × 9,784.85
  4. Step 4: Simplify right side
    13,322.61x = 195,352,815.93
  5. Step 5: Solve for x
    x = 195,352,815.93/13,322.61
  6. Step 6: Final answer
    x = 14,663.25

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1.5x scale

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.