Home / 11,533.49-15,882.70-10,020.36

Finding the Fourth Proportional to 11,533.49, 15,882.70 and 10,020.36

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Solution

The fourth proportional to 11,533.49, 15,882.70 and 10,020.36 is: 13,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,533.49 : 15,882.70 = 10,020.36 : x
  2. Step 2: Convert to fraction form
    11,533.49/15,882.70 = 10,020.36/x
  3. Step 3: Cross multiply
    11,533.49x = 15,882.70 × 10,020.36
  4. Step 4: Simplify right side
    11,533.49x = 159,150,371.77
  5. Step 5: Solve for x
    x = 159,150,371.77/11,533.49
  6. Step 6: Final answer
    x = 13,798.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.