Home / 12,969.81-19,455.20-4,534.67

Finding the Fourth Proportional to 12,969.81, 19,455.20 and 4,534.67

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Solution

The fourth proportional to 12,969.81, 19,455.20 and 4,534.67 is: 6,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.81 : 19,455.20 = 4,534.67 : x
  2. Step 2: Convert to fraction form
    12,969.81/19,455.20 = 4,534.67/x
  3. Step 3: Cross multiply
    12,969.81x = 19,455.20 × 4,534.67
  4. Step 4: Simplify right side
    12,969.81x = 88,222,954.75
  5. Step 5: Solve for x
    x = 88,222,954.75/12,969.81
  6. Step 6: Final answer
    x = 6,802.18

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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.