Home / 11,288.55-15,574.82-7,303.35

Finding the Fourth Proportional to 11,288.55, 15,574.82 and 7,303.35

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Solution

The fourth proportional to 11,288.55, 15,574.82 and 7,303.35 is: 10,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.55 : 15,574.82 = 7,303.35 : x
  2. Step 2: Convert to fraction form
    11,288.55/15,574.82 = 7,303.35/x
  3. Step 3: Cross multiply
    11,288.55x = 15,574.82 × 7,303.35
  4. Step 4: Simplify right side
    11,288.55x = 113,748,361.65
  5. Step 5: Solve for x
    x = 113,748,361.65/11,288.55
  6. Step 6: Final answer
    x = 10,076.44

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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.