Home / 15,560.03-23,312.70-12,771.60

Finding the Fourth Proportional to 15,560.03, 23,312.70 and 12,771.60

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Solution

The fourth proportional to 15,560.03, 23,312.70 and 12,771.60 is: 19,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.03 : 23,312.70 = 12,771.60 : x
  2. Step 2: Convert to fraction form
    15,560.03/23,312.70 = 12,771.60/x
  3. Step 3: Cross multiply
    15,560.03x = 23,312.70 × 12,771.60
  4. Step 4: Simplify right side
    15,560.03x = 297,740,479.32
  5. Step 5: Solve for x
    x = 297,740,479.32/15,560.03
  6. Step 6: Final answer
    x = 19,134.96

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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.