Home / 11,112.43-15,334.53-6,075.65

Finding the Fourth Proportional to 11,112.43, 15,334.53 and 6,075.65

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Solution

The fourth proportional to 11,112.43, 15,334.53 and 6,075.65 is: 8,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.43 : 15,334.53 = 6,075.65 : x
  2. Step 2: Convert to fraction form
    11,112.43/15,334.53 = 6,075.65/x
  3. Step 3: Cross multiply
    11,112.43x = 15,334.53 × 6,075.65
  4. Step 4: Simplify right side
    11,112.43x = 93,167,200.67
  5. Step 5: Solve for x
    x = 93,167,200.67/11,112.43
  6. Step 6: Final answer
    x = 8,384.05

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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.