Home / 9,187.40-13,797.30-7,112.45

Finding the Fourth Proportional to 9,187.40, 13,797.30 and 7,112.45

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Solution

The fourth proportional to 9,187.40, 13,797.30 and 7,112.45 is: 10,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.40 : 13,797.30 = 7,112.45 : x
  2. Step 2: Convert to fraction form
    9,187.40/13,797.30 = 7,112.45/x
  3. Step 3: Cross multiply
    9,187.40x = 13,797.30 × 7,112.45
  4. Step 4: Simplify right side
    9,187.40x = 98,132,606.39
  5. Step 5: Solve for x
    x = 98,132,606.39/9,187.40
  6. Step 6: Final answer
    x = 10,681.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.