Home / 15,283.34-21,090.80-8,568.95

Finding the Fourth Proportional to 15,283.34, 21,090.80 and 8,568.95

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Solution

The fourth proportional to 15,283.34, 21,090.80 and 8,568.95 is: 11,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.34 : 21,090.80 = 8,568.95 : x
  2. Step 2: Convert to fraction form
    15,283.34/21,090.80 = 8,568.95/x
  3. Step 3: Cross multiply
    15,283.34x = 21,090.80 × 8,568.95
  4. Step 4: Simplify right side
    15,283.34x = 180,725,862.36
  5. Step 5: Solve for x
    x = 180,725,862.36/15,283.34
  6. Step 6: Final answer
    x = 11,825.03

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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.