Home / 12,511.24-18,764.70-5,848.34

Finding the Fourth Proportional to 12,511.24, 18,764.70 and 5,848.34

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Solution

The fourth proportional to 12,511.24, 18,764.70 and 5,848.34 is: 8,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.24 : 18,764.70 = 5,848.34 : x
  2. Step 2: Convert to fraction form
    12,511.24/18,764.70 = 5,848.34/x
  3. Step 3: Cross multiply
    12,511.24x = 18,764.70 × 5,848.34
  4. Step 4: Simplify right side
    12,511.24x = 109,742,392.51
  5. Step 5: Solve for x
    x = 109,742,392.51/12,511.24
  6. Step 6: Final answer
    x = 8,771.50

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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.