Home / 15,206.33-20,986.29-9,238.46

Finding the Fourth Proportional to 15,206.33, 20,986.29 and 9,238.46

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Solution

The fourth proportional to 15,206.33, 20,986.29 and 9,238.46 is: 12,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.33 : 20,986.29 = 9,238.46 : x
  2. Step 2: Convert to fraction form
    15,206.33/20,986.29 = 9,238.46/x
  3. Step 3: Cross multiply
    15,206.33x = 20,986.29 × 9,238.46
  4. Step 4: Simplify right side
    15,206.33x = 193,880,895.78
  5. Step 5: Solve for x
    x = 193,880,895.78/15,206.33
  6. Step 6: Final answer
    x = 12,750.01

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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.