Home / 11,261.36-15,531.80-10,506.84

Finding the Fourth Proportional to 11,261.36, 15,531.80 and 10,506.84

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Solution

The fourth proportional to 11,261.36, 15,531.80 and 10,506.84 is: 14,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.36 : 15,531.80 = 10,506.84 : x
  2. Step 2: Convert to fraction form
    11,261.36/15,531.80 = 10,506.84/x
  3. Step 3: Cross multiply
    11,261.36x = 15,531.80 × 10,506.84
  4. Step 4: Simplify right side
    11,261.36x = 163,190,137.51
  5. Step 5: Solve for x
    x = 163,190,137.51/11,261.36
  6. Step 6: Final answer
    x = 14,491.16

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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.