Home / 11,111.13-15,333.36-6,075.82

Finding the Fourth Proportional to 11,111.13, 15,333.36 and 6,075.82

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Solution

The fourth proportional to 11,111.13, 15,333.36 and 6,075.82 is: 8,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.13 : 15,333.36 = 6,075.82 : x
  2. Step 2: Convert to fraction form
    11,111.13/15,333.36 = 6,075.82/x
  3. Step 3: Cross multiply
    11,111.13x = 15,333.36 × 6,075.82
  4. Step 4: Simplify right side
    11,111.13x = 93,162,679.66
  5. Step 5: Solve for x
    x = 93,162,679.66/11,111.13
  6. Step 6: Final answer
    x = 8,384.63

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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.