Home / 19,014.93-26,231.87-12,302.74

Finding the Fourth Proportional to 19,014.93, 26,231.87 and 12,302.74

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Solution

The fourth proportional to 19,014.93, 26,231.87 and 12,302.74 is: 16,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.93 : 26,231.87 = 12,302.74 : x
  2. Step 2: Convert to fraction form
    19,014.93/26,231.87 = 12,302.74/x
  3. Step 3: Cross multiply
    19,014.93x = 26,231.87 × 12,302.74
  4. Step 4: Simplify right side
    19,014.93x = 322,723,876.32
  5. Step 5: Solve for x
    x = 322,723,876.32/19,014.93
  6. Step 6: Final answer
    x = 16,972.13

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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.