Home / 15,774.37-21,768.65-9,061.30

Finding the Fourth Proportional to 15,774.37, 21,768.65 and 9,061.30

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Solution

The fourth proportional to 15,774.37, 21,768.65 and 9,061.30 is: 12,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.37 : 21,768.65 = 9,061.30 : x
  2. Step 2: Convert to fraction form
    15,774.37/21,768.65 = 9,061.30/x
  3. Step 3: Cross multiply
    15,774.37x = 21,768.65 × 9,061.30
  4. Step 4: Simplify right side
    15,774.37x = 197,252,290.90
  5. Step 5: Solve for x
    x = 197,252,290.90/15,774.37
  6. Step 6: Final answer
    x = 12,504.60

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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.