Home / 13,151.27-19,726.98-4,386.16

Finding the Fourth Proportional to 13,151.27, 19,726.98 and 4,386.16

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Solution

The fourth proportional to 13,151.27, 19,726.98 and 4,386.16 is: 6,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.27 : 19,726.98 = 4,386.16 : x
  2. Step 2: Convert to fraction form
    13,151.27/19,726.98 = 4,386.16/x
  3. Step 3: Cross multiply
    13,151.27x = 19,726.98 × 4,386.16
  4. Step 4: Simplify right side
    13,151.27x = 86,525,583.73
  5. Step 5: Solve for x
    x = 86,525,583.73/13,151.27
  6. Step 6: Final answer
    x = 6,579.26

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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.