Home / 13,269.71-19,747.93-12,826.84

Finding the Fourth Proportional to 13,269.71, 19,747.93 and 12,826.84

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Solution

The fourth proportional to 13,269.71, 19,747.93 and 12,826.84 is: 19,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.71 : 19,747.93 = 12,826.84 : x
  2. Step 2: Convert to fraction form
    13,269.71/19,747.93 = 12,826.84/x
  3. Step 3: Cross multiply
    13,269.71x = 19,747.93 × 12,826.84
  4. Step 4: Simplify right side
    13,269.71x = 253,303,538.44
  5. Step 5: Solve for x
    x = 253,303,538.44/13,269.71
  6. Step 6: Final answer
    x = 19,088.85

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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.