Home / 9,440.05-13,026.13-5,190.41

Finding the Fourth Proportional to 9,440.05, 13,026.13 and 5,190.41

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Solution

The fourth proportional to 9,440.05, 13,026.13 and 5,190.41 is: 7,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.05 : 13,026.13 = 5,190.41 : x
  2. Step 2: Convert to fraction form
    9,440.05/13,026.13 = 5,190.41/x
  3. Step 3: Cross multiply
    9,440.05x = 13,026.13 × 5,190.41
  4. Step 4: Simplify right side
    9,440.05x = 67,610,955.41
  5. Step 5: Solve for x
    x = 67,610,955.41/9,440.05
  6. Step 6: Final answer
    x = 7,162.14

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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.