Home / 13,866.36-19,123.40-11,030.55

Finding the Fourth Proportional to 13,866.36, 19,123.40 and 11,030.55

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Solution

The fourth proportional to 13,866.36, 19,123.40 and 11,030.55 is: 15,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.36 : 19,123.40 = 11,030.55 : x
  2. Step 2: Convert to fraction form
    13,866.36/19,123.40 = 11,030.55/x
  3. Step 3: Cross multiply
    13,866.36x = 19,123.40 × 11,030.55
  4. Step 4: Simplify right side
    13,866.36x = 210,941,647.45
  5. Step 5: Solve for x
    x = 210,941,647.45/13,866.36
  6. Step 6: Final answer
    x = 15,212.47

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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.