Home / 15,914.64-21,955.14-10,604.28

Finding the Fourth Proportional to 15,914.64, 21,955.14 and 10,604.28

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Solution

The fourth proportional to 15,914.64, 21,955.14 and 10,604.28 is: 14,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.64 : 21,955.14 = 10,604.28 : x
  2. Step 2: Convert to fraction form
    15,914.64/21,955.14 = 10,604.28/x
  3. Step 3: Cross multiply
    15,914.64x = 21,955.14 × 10,604.28
  4. Step 4: Simplify right side
    15,914.64x = 232,818,452.00
  5. Step 5: Solve for x
    x = 232,818,452.00/15,914.64
  6. Step 6: Final answer
    x = 14,629.20

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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.