Home / 13,312.06-18,370.45-7,343.71

Finding the Fourth Proportional to 13,312.06, 18,370.45 and 7,343.71

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Solution

The fourth proportional to 13,312.06, 18,370.45 and 7,343.71 is: 10,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.06 : 18,370.45 = 7,343.71 : x
  2. Step 2: Convert to fraction form
    13,312.06/18,370.45 = 7,343.71/x
  3. Step 3: Cross multiply
    13,312.06x = 18,370.45 × 7,343.71
  4. Step 4: Simplify right side
    13,312.06x = 134,907,257.37
  5. Step 5: Solve for x
    x = 134,907,257.37/13,312.06
  6. Step 6: Final answer
    x = 10,134.21

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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.