Home / 13,406.36-18,501.07-7,437.94

Finding the Fourth Proportional to 13,406.36, 18,501.07 and 7,437.94

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Solution

The fourth proportional to 13,406.36, 18,501.07 and 7,437.94 is: 10,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406.36 : 18,501.07 = 7,437.94 : x
  2. Step 2: Convert to fraction form
    13,406.36/18,501.07 = 7,437.94/x
  3. Step 3: Cross multiply
    13,406.36x = 18,501.07 × 7,437.94
  4. Step 4: Simplify right side
    13,406.36x = 137,609,756.09
  5. Step 5: Solve for x
    x = 137,609,756.09/13,406.36
  6. Step 6: Final answer
    x = 10,264.52

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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.