Home / 13,254.57-19,886.37-6,678.99

Finding the Fourth Proportional to 13,254.57, 19,886.37 and 6,678.99

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Solution

The fourth proportional to 13,254.57, 19,886.37 and 6,678.99 is: 10,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.57 : 19,886.37 = 6,678.99 : x
  2. Step 2: Convert to fraction form
    13,254.57/19,886.37 = 6,678.99/x
  3. Step 3: Cross multiply
    13,254.57x = 19,886.37 × 6,678.99
  4. Step 4: Simplify right side
    13,254.57x = 132,820,866.37
  5. Step 5: Solve for x
    x = 132,820,866.37/13,254.57
  6. Step 6: Final answer
    x = 10,020.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.