Home / 14,485.36-19,990.08-9,452.80

Finding the Fourth Proportional to 14,485.36, 19,990.08 and 9,452.80

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Solution

The fourth proportional to 14,485.36, 19,990.08 and 9,452.80 is: 13,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.36 : 19,990.08 = 9,452.80 : x
  2. Step 2: Convert to fraction form
    14,485.36/19,990.08 = 9,452.80/x
  3. Step 3: Cross multiply
    14,485.36x = 19,990.08 × 9,452.80
  4. Step 4: Simplify right side
    14,485.36x = 188,962,228.22
  5. Step 5: Solve for x
    x = 188,962,228.22/14,485.36
  6. Step 6: Final answer
    x = 13,045.05

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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.