Home / 11,075.36-15,282.96-8,984.48

Finding the Fourth Proportional to 11,075.36, 15,282.96 and 8,984.48

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Solution

The fourth proportional to 11,075.36, 15,282.96 and 8,984.48 is: 12,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.36 : 15,282.96 = 8,984.48 : x
  2. Step 2: Convert to fraction form
    11,075.36/15,282.96 = 8,984.48/x
  3. Step 3: Cross multiply
    11,075.36x = 15,282.96 × 8,984.48
  4. Step 4: Simplify right side
    11,075.36x = 137,309,448.46
  5. Step 5: Solve for x
    x = 137,309,448.46/11,075.36
  6. Step 6: Final answer
    x = 12,397.74

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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.