Home / 10,628.95-15,942.80-4,055.80

Finding the Fourth Proportional to 10,628.95, 15,942.80 and 4,055.80

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Solution

The fourth proportional to 10,628.95, 15,942.80 and 4,055.80 is: 6,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.95 : 15,942.80 = 4,055.80 : x
  2. Step 2: Convert to fraction form
    10,628.95/15,942.80 = 4,055.80/x
  3. Step 3: Cross multiply
    10,628.95x = 15,942.80 × 4,055.80
  4. Step 4: Simplify right side
    10,628.95x = 64,660,808.24
  5. Step 5: Solve for x
    x = 64,660,808.24/10,628.95
  6. Step 6: Final answer
    x = 6,083.46

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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.