Home / 13,343.97-19,999.85-4,903.67

Finding the Fourth Proportional to 13,343.97, 19,999.85 and 4,903.67

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Solution

The fourth proportional to 13,343.97, 19,999.85 and 4,903.67 is: 7,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.97 : 19,999.85 = 4,903.67 : x
  2. Step 2: Convert to fraction form
    13,343.97/19,999.85 = 4,903.67/x
  3. Step 3: Cross multiply
    13,343.97x = 19,999.85 × 4,903.67
  4. Step 4: Simplify right side
    13,343.97x = 98,072,689.93
  5. Step 5: Solve for x
    x = 98,072,689.93/13,343.97
  6. Step 6: Final answer
    x = 7,349.59

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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.