Home / 13,969.79-20,955.34-4,610.63

Finding the Fourth Proportional to 13,969.79, 20,955.34 and 4,610.63

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Solution

The fourth proportional to 13,969.79, 20,955.34 and 4,610.63 is: 6,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.79 : 20,955.34 = 4,610.63 : x
  2. Step 2: Convert to fraction form
    13,969.79/20,955.34 = 4,610.63/x
  3. Step 3: Cross multiply
    13,969.79x = 20,955.34 × 4,610.63
  4. Step 4: Simplify right side
    13,969.79x = 96,617,214.49
  5. Step 5: Solve for x
    x = 96,617,214.49/13,969.79
  6. Step 6: Final answer
    x = 6,916.15

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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.