Home / 15,393.06-23,089.59-4,299.78

Finding the Fourth Proportional to 15,393.06, 23,089.59 and 4,299.78

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Solution

The fourth proportional to 15,393.06, 23,089.59 and 4,299.78 is: 6,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393.06 : 23,089.59 = 4,299.78 : x
  2. Step 2: Convert to fraction form
    15,393.06/23,089.59 = 4,299.78/x
  3. Step 3: Cross multiply
    15,393.06x = 23,089.59 × 4,299.78
  4. Step 4: Simplify right side
    15,393.06x = 99,280,157.29
  5. Step 5: Solve for x
    x = 99,280,157.29/15,393.06
  6. Step 6: Final answer
    x = 6,449.67

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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.