Home / 13,376.70-19,977.19-10,748.19

Finding the Fourth Proportional to 13,376.70, 19,977.19 and 10,748.19

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Solution

The fourth proportional to 13,376.70, 19,977.19 and 10,748.19 is: 16,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.70 : 19,977.19 = 10,748.19 : x
  2. Step 2: Convert to fraction form
    13,376.70/19,977.19 = 10,748.19/x
  3. Step 3: Cross multiply
    13,376.70x = 19,977.19 × 10,748.19
  4. Step 4: Simplify right side
    13,376.70x = 214,718,633.79
  5. Step 5: Solve for x
    x = 214,718,633.79/13,376.70
  6. Step 6: Final answer
    x = 16,051.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.