Home / 13,283.44-18,330.93-7,315.67

Finding the Fourth Proportional to 13,283.44, 18,330.93 and 7,315.67

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Solution

The fourth proportional to 13,283.44, 18,330.93 and 7,315.67 is: 10,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.44 : 18,330.93 = 7,315.67 : x
  2. Step 2: Convert to fraction form
    13,283.44/18,330.93 = 7,315.67/x
  3. Step 3: Cross multiply
    13,283.44x = 18,330.93 × 7,315.67
  4. Step 4: Simplify right side
    13,283.44x = 134,102,997.96
  5. Step 5: Solve for x
    x = 134,102,997.96/13,283.44
  6. Step 6: Final answer
    x = 10,095.50

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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.