Home / 14,969.16-20,647.98-10,711.80

Finding the Fourth Proportional to 14,969.16, 20,647.98 and 10,711.80

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Solution

The fourth proportional to 14,969.16, 20,647.98 and 10,711.80 is: 14,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.16 : 20,647.98 = 10,711.80 : x
  2. Step 2: Convert to fraction form
    14,969.16/20,647.98 = 10,711.80/x
  3. Step 3: Cross multiply
    14,969.16x = 20,647.98 × 10,711.80
  4. Step 4: Simplify right side
    14,969.16x = 221,177,032.16
  5. Step 5: Solve for x
    x = 221,177,032.16/14,969.16
  6. Step 6: Final answer
    x = 14,775.51

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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.