Home / 15,554.30-21,464.93-8,839.94

Finding the Fourth Proportional to 15,554.30, 21,464.93 and 8,839.94

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Solution

The fourth proportional to 15,554.30, 21,464.93 and 8,839.94 is: 12,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.30 : 21,464.93 = 8,839.94 : x
  2. Step 2: Convert to fraction form
    15,554.30/21,464.93 = 8,839.94/x
  3. Step 3: Cross multiply
    15,554.30x = 21,464.93 × 8,839.94
  4. Step 4: Simplify right side
    15,554.30x = 189,748,608.08
  5. Step 5: Solve for x
    x = 189,748,608.08/15,554.30
  6. Step 6: Final answer
    x = 12,199.11

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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.