Home / 19,349.09-26,690.43-12,167.64

Finding the Fourth Proportional to 19,349.09, 26,690.43 and 12,167.64

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Solution

The fourth proportional to 19,349.09, 26,690.43 and 12,167.64 is: 16,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.09 : 26,690.43 = 12,167.64 : x
  2. Step 2: Convert to fraction form
    19,349.09/26,690.43 = 12,167.64/x
  3. Step 3: Cross multiply
    19,349.09x = 26,690.43 × 12,167.64
  4. Step 4: Simplify right side
    19,349.09x = 324,759,543.69
  5. Step 5: Solve for x
    x = 324,759,543.69/19,349.09
  6. Step 6: Final answer
    x = 16,784.23

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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.