Home / 15,889.55-23,829.39-10,990.67

Finding the Fourth Proportional to 15,889.55, 23,829.39 and 10,990.67

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Solution

The fourth proportional to 15,889.55, 23,829.39 and 10,990.67 is: 16,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.55 : 23,829.39 = 10,990.67 : x
  2. Step 2: Convert to fraction form
    15,889.55/23,829.39 = 10,990.67/x
  3. Step 3: Cross multiply
    15,889.55x = 23,829.39 × 10,990.67
  4. Step 4: Simplify right side
    15,889.55x = 261,900,842.64
  5. Step 5: Solve for x
    x = 261,900,842.64/15,889.55
  6. Step 6: Final answer
    x = 16,482.59

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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.