Home / 13,317.08-18,376.74-7,348.74

Finding the Fourth Proportional to 13,317.08, 18,376.74 and 7,348.74

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Solution

The fourth proportional to 13,317.08, 18,376.74 and 7,348.74 is: 10,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.08 : 18,376.74 = 7,348.74 : x
  2. Step 2: Convert to fraction form
    13,317.08/18,376.74 = 7,348.74/x
  3. Step 3: Cross multiply
    13,317.08x = 18,376.74 × 7,348.74
  4. Step 4: Simplify right side
    13,317.08x = 135,045,918.76
  5. Step 5: Solve for x
    x = 135,045,918.76/13,317.08
  6. Step 6: Final answer
    x = 10,140.81

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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.