Home / 10,907.47-16,362.75-3,509.44

Finding the Fourth Proportional to 10,907.47, 16,362.75 and 3,509.44

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Solution

The fourth proportional to 10,907.47, 16,362.75 and 3,509.44 is: 5,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.47 : 16,362.75 = 3,509.44 : x
  2. Step 2: Convert to fraction form
    10,907.47/16,362.75 = 3,509.44/x
  3. Step 3: Cross multiply
    10,907.47x = 16,362.75 × 3,509.44
  4. Step 4: Simplify right side
    10,907.47x = 57,424,089.36
  5. Step 5: Solve for x
    x = 57,424,089.36/10,907.47
  6. Step 6: Final answer
    x = 5,264.66

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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.