Home / 13,302.34-19,903.39-7,945.67

Finding the Fourth Proportional to 13,302.34, 19,903.39 and 7,945.67

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Solution

The fourth proportional to 13,302.34, 19,903.39 and 7,945.67 is: 11,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.34 : 19,903.39 = 7,945.67 : x
  2. Step 2: Convert to fraction form
    13,302.34/19,903.39 = 7,945.67/x
  3. Step 3: Cross multiply
    13,302.34x = 19,903.39 × 7,945.67
  4. Step 4: Simplify right side
    13,302.34x = 158,145,798.72
  5. Step 5: Solve for x
    x = 158,145,798.72/13,302.34
  6. Step 6: Final answer
    x = 11,888.57

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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.