Home / 12,411.51-18,617.54-4,618.77

Finding the Fourth Proportional to 12,411.51, 18,617.54 and 4,618.77

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Solution

The fourth proportional to 12,411.51, 18,617.54 and 4,618.77 is: 6,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.51 : 18,617.54 = 4,618.77 : x
  2. Step 2: Convert to fraction form
    12,411.51/18,617.54 = 4,618.77/x
  3. Step 3: Cross multiply
    12,411.51x = 18,617.54 × 4,618.77
  4. Step 4: Simplify right side
    12,411.51x = 85,990,112.13
  5. Step 5: Solve for x
    x = 85,990,112.13/12,411.51
  6. Step 6: Final answer
    x = 6,928.26

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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.