Home / 13,969.08-20,943.48-6,569.76

Finding the Fourth Proportional to 13,969.08, 20,943.48 and 6,569.76

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Solution

The fourth proportional to 13,969.08, 20,943.48 and 6,569.76 is: 9,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.08 : 20,943.48 = 6,569.76 : x
  2. Step 2: Convert to fraction form
    13,969.08/20,943.48 = 6,569.76/x
  3. Step 3: Cross multiply
    13,969.08x = 20,943.48 × 6,569.76
  4. Step 4: Simplify right side
    13,969.08x = 137,593,637.16
  5. Step 5: Solve for x
    x = 137,593,637.16/13,969.08
  6. Step 6: Final answer
    x = 9,849.87

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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.