Home / 11,973.96-18,030.60-8,875.98

Finding the Fourth Proportional to 11,973.96, 18,030.60 and 8,875.98

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Solution

The fourth proportional to 11,973.96, 18,030.60 and 8,875.98 is: 13,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.96 : 18,030.60 = 8,875.98 : x
  2. Step 2: Convert to fraction form
    11,973.96/18,030.60 = 8,875.98/x
  3. Step 3: Cross multiply
    11,973.96x = 18,030.60 × 8,875.98
  4. Step 4: Simplify right side
    11,973.96x = 160,039,244.99
  5. Step 5: Solve for x
    x = 160,039,244.99/11,973.96
  6. Step 6: Final answer
    x = 13,365.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.