Home / 19,286.53-26,615.06-10,903.03

Finding the Fourth Proportional to 19,286.53, 26,615.06 and 10,903.03

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Solution

The fourth proportional to 19,286.53, 26,615.06 and 10,903.03 is: 15,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.53 : 26,615.06 = 10,903.03 : x
  2. Step 2: Convert to fraction form
    19,286.53/26,615.06 = 10,903.03/x
  3. Step 3: Cross multiply
    19,286.53x = 26,615.06 × 10,903.03
  4. Step 4: Simplify right side
    19,286.53x = 290,184,797.63
  5. Step 5: Solve for x
    x = 290,184,797.63/19,286.53
  6. Step 6: Final answer
    x = 15,045.98

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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.