Home / 15,263.12-21,063.58-8,548.72

Finding the Fourth Proportional to 15,263.12, 21,063.58 and 8,548.72

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Solution

The fourth proportional to 15,263.12, 21,063.58 and 8,548.72 is: 11,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.12 : 21,063.58 = 8,548.72 : x
  2. Step 2: Convert to fraction form
    15,263.12/21,063.58 = 8,548.72/x
  3. Step 3: Cross multiply
    15,263.12x = 21,063.58 × 8,548.72
  4. Step 4: Simplify right side
    15,263.12x = 180,066,647.62
  5. Step 5: Solve for x
    x = 180,066,647.62/15,263.12
  6. Step 6: Final answer
    x = 11,797.50

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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.