Home / 13,328.36-19,979.16-4,557.27

Finding the Fourth Proportional to 13,328.36, 19,979.16 and 4,557.27

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Solution

The fourth proportional to 13,328.36, 19,979.16 and 4,557.27 is: 6,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.36 : 19,979.16 = 4,557.27 : x
  2. Step 2: Convert to fraction form
    13,328.36/19,979.16 = 4,557.27/x
  3. Step 3: Cross multiply
    13,328.36x = 19,979.16 × 4,557.27
  4. Step 4: Simplify right side
    13,328.36x = 91,050,426.49
  5. Step 5: Solve for x
    x = 91,050,426.49/13,328.36
  6. Step 6: Final answer
    x = 6,831.33

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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.