Home / 15,283.63-21,094.37-9,969.22

Finding the Fourth Proportional to 15,283.63, 21,094.37 and 9,969.22

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Solution

The fourth proportional to 15,283.63, 21,094.37 and 9,969.22 is: 13,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.63 : 21,094.37 = 9,969.22 : x
  2. Step 2: Convert to fraction form
    15,283.63/21,094.37 = 9,969.22/x
  3. Step 3: Cross multiply
    15,283.63x = 21,094.37 × 9,969.22
  4. Step 4: Simplify right side
    15,283.63x = 210,294,415.29
  5. Step 5: Solve for x
    x = 210,294,415.29/15,283.63
  6. Step 6: Final answer
    x = 13,759.45

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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.