Home / 13,135.05-19,653.37-7,295.76

Finding the Fourth Proportional to 13,135.05, 19,653.37 and 7,295.76

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Solution

The fourth proportional to 13,135.05, 19,653.37 and 7,295.76 is: 10,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.05 : 19,653.37 = 7,295.76 : x
  2. Step 2: Convert to fraction form
    13,135.05/19,653.37 = 7,295.76/x
  3. Step 3: Cross multiply
    13,135.05x = 19,653.37 × 7,295.76
  4. Step 4: Simplify right side
    13,135.05x = 143,386,252.47
  5. Step 5: Solve for x
    x = 143,386,252.47/13,135.05
  6. Step 6: Final answer
    x = 10,916.31

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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.