Home / 13,119.41-19,681.61-4,237.11

Finding the Fourth Proportional to 13,119.41, 19,681.61 and 4,237.11

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Solution

The fourth proportional to 13,119.41, 19,681.61 and 4,237.11 is: 6,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.41 : 19,681.61 = 4,237.11 : x
  2. Step 2: Convert to fraction form
    13,119.41/19,681.61 = 4,237.11/x
  3. Step 3: Cross multiply
    13,119.41x = 19,681.61 × 4,237.11
  4. Step 4: Simplify right side
    13,119.41x = 83,393,125.36
  5. Step 5: Solve for x
    x = 83,393,125.36/13,119.41
  6. Step 6: Final answer
    x = 6,356.47

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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.