Home / 19,554.64-26,968.80-12,089.68

Finding the Fourth Proportional to 19,554.64, 26,968.80 and 12,089.68

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Solution

The fourth proportional to 19,554.64, 26,968.80 and 12,089.68 is: 16,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.64 : 26,968.80 = 12,089.68 : x
  2. Step 2: Convert to fraction form
    19,554.64/26,968.80 = 12,089.68/x
  3. Step 3: Cross multiply
    19,554.64x = 26,968.80 × 12,089.68
  4. Step 4: Simplify right side
    19,554.64x = 326,044,161.98
  5. Step 5: Solve for x
    x = 326,044,161.98/19,554.64
  6. Step 6: Final answer
    x = 16,673.49

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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.