Home / 13,240.92-19,858.76-6,570.45

Finding the Fourth Proportional to 13,240.92, 19,858.76 and 6,570.45

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Solution

The fourth proportional to 13,240.92, 19,858.76 and 6,570.45 is: 9,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.92 : 19,858.76 = 6,570.45 : x
  2. Step 2: Convert to fraction form
    13,240.92/19,858.76 = 6,570.45/x
  3. Step 3: Cross multiply
    13,240.92x = 19,858.76 × 6,570.45
  4. Step 4: Simplify right side
    13,240.92x = 130,481,055.97
  5. Step 5: Solve for x
    x = 130,481,055.97/13,240.92
  6. Step 6: Final answer
    x = 9,854.38

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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.