Home / 13,127.16-19,679.56-5,726.19

Finding the Fourth Proportional to 13,127.16, 19,679.56 and 5,726.19

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Solution

The fourth proportional to 13,127.16, 19,679.56 and 5,726.19 is: 8,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.16 : 19,679.56 = 5,726.19 : x
  2. Step 2: Convert to fraction form
    13,127.16/19,679.56 = 5,726.19/x
  3. Step 3: Cross multiply
    13,127.16x = 19,679.56 × 5,726.19
  4. Step 4: Simplify right side
    13,127.16x = 112,688,959.16
  5. Step 5: Solve for x
    x = 112,688,959.16/13,127.16
  6. Step 6: Final answer
    x = 8,584.41

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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.