Home / 13,504.34-18,633-7,835.80

Finding the Fourth Proportional to 13,504.34, 18,633 and 7,835.80

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Solution

The fourth proportional to 13,504.34, 18,633 and 7,835.80 is: 10,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.34 : 18,633 = 7,835.80 : x
  2. Step 2: Convert to fraction form
    13,504.34/18,633 = 7,835.80/x
  3. Step 3: Cross multiply
    13,504.34x = 18,633 × 7,835.80
  4. Step 4: Simplify right side
    13,504.34x = 146,004,461.40
  5. Step 5: Solve for x
    x = 146,004,461.40/13,504.34
  6. Step 6: Final answer
    x = 10,811.67

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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.