Home / 11,152.94-15,391.04-6,437.22

Finding the Fourth Proportional to 11,152.94, 15,391.04 and 6,437.22

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Solution

The fourth proportional to 11,152.94, 15,391.04 and 6,437.22 is: 8,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.94 : 15,391.04 = 6,437.22 : x
  2. Step 2: Convert to fraction form
    11,152.94/15,391.04 = 6,437.22/x
  3. Step 3: Cross multiply
    11,152.94x = 15,391.04 × 6,437.22
  4. Step 4: Simplify right side
    11,152.94x = 99,075,478.32
  5. Step 5: Solve for x
    x = 99,075,478.32/11,152.94
  6. Step 6: Final answer
    x = 8,883.35

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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.