Home / 19,188.94-26,478.84-14,155.87

Finding the Fourth Proportional to 19,188.94, 26,478.84 and 14,155.87

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Solution

The fourth proportional to 19,188.94, 26,478.84 and 14,155.87 is: 19,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.94 : 26,478.84 = 14,155.87 : x
  2. Step 2: Convert to fraction form
    19,188.94/26,478.84 = 14,155.87/x
  3. Step 3: Cross multiply
    19,188.94x = 26,478.84 × 14,155.87
  4. Step 4: Simplify right side
    19,188.94x = 374,831,016.79
  5. Step 5: Solve for x
    x = 374,831,016.79/19,188.94
  6. Step 6: Final answer
    x = 19,533.70

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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.