Home / 14,015.18-19,341.80-7,727.54

Finding the Fourth Proportional to 14,015.18, 19,341.80 and 7,727.54

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Solution

The fourth proportional to 14,015.18, 19,341.80 and 7,727.54 is: 10,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.18 : 19,341.80 = 7,727.54 : x
  2. Step 2: Convert to fraction form
    14,015.18/19,341.80 = 7,727.54/x
  3. Step 3: Cross multiply
    14,015.18x = 19,341.80 × 7,727.54
  4. Step 4: Simplify right side
    14,015.18x = 149,464,533.17
  5. Step 5: Solve for x
    x = 149,464,533.17/14,015.18
  6. Step 6: Final answer
    x = 10,664.47

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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.