Home / 18,327.51-27,479.93-12,466.35

Finding the Fourth Proportional to 18,327.51, 27,479.93 and 12,466.35

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Solution

The fourth proportional to 18,327.51, 27,479.93 and 12,466.35 is: 18,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.51 : 27,479.93 = 12,466.35 : x
  2. Step 2: Convert to fraction form
    18,327.51/27,479.93 = 12,466.35/x
  3. Step 3: Cross multiply
    18,327.51x = 27,479.93 × 12,466.35
  4. Step 4: Simplify right side
    18,327.51x = 342,574,363.02
  5. Step 5: Solve for x
    x = 342,574,363.02/18,327.51
  6. Step 6: Final answer
    x = 18,691.81

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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.