Home / 14,643.03-20,207.43-7,928.73

Finding the Fourth Proportional to 14,643.03, 20,207.43 and 7,928.73

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Solution

The fourth proportional to 14,643.03, 20,207.43 and 7,928.73 is: 10,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.03 : 20,207.43 = 7,928.73 : x
  2. Step 2: Convert to fraction form
    14,643.03/20,207.43 = 7,928.73/x
  3. Step 3: Cross multiply
    14,643.03x = 20,207.43 × 7,928.73
  4. Step 4: Simplify right side
    14,643.03x = 160,219,256.46
  5. Step 5: Solve for x
    x = 160,219,256.46/14,643.03
  6. Step 6: Final answer
    x = 10,941.67

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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.