Home / 18,099.45-24,972.51-10,440.87

Finding the Fourth Proportional to 18,099.45, 24,972.51 and 10,440.87

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Solution

The fourth proportional to 18,099.45, 24,972.51 and 10,440.87 is: 14,405.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.45 : 24,972.51 = 10,440.87 : x
  2. Step 2: Convert to fraction form
    18,099.45/24,972.51 = 10,440.87/x
  3. Step 3: Cross multiply
    18,099.45x = 24,972.51 × 10,440.87
  4. Step 4: Simplify right side
    18,099.45x = 260,734,730.48
  5. Step 5: Solve for x
    x = 260,734,730.48/18,099.45
  6. Step 6: Final answer
    x = 14,405.67

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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.