Home / 11,075.54-15,284.52-6,829.40

Finding the Fourth Proportional to 11,075.54, 15,284.52 and 6,829.40

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Solution

The fourth proportional to 11,075.54, 15,284.52 and 6,829.40 is: 9,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.54 : 15,284.52 = 6,829.40 : x
  2. Step 2: Convert to fraction form
    11,075.54/15,284.52 = 6,829.40/x
  3. Step 3: Cross multiply
    11,075.54x = 15,284.52 × 6,829.40
  4. Step 4: Simplify right side
    11,075.54x = 104,384,024.47
  5. Step 5: Solve for x
    x = 104,384,024.47/11,075.54
  6. Step 6: Final answer
    x = 9,424.74

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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.