Home / 17,711.40-26,534.70-10,777.80

Finding the Fourth Proportional to 17,711.40, 26,534.70 and 10,777.80

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Solution

The fourth proportional to 17,711.40, 26,534.70 and 10,777.80 is: 16,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.40 : 26,534.70 = 10,777.80 : x
  2. Step 2: Convert to fraction form
    17,711.40/26,534.70 = 10,777.80/x
  3. Step 3: Cross multiply
    17,711.40x = 26,534.70 × 10,777.80
  4. Step 4: Simplify right side
    17,711.40x = 285,985,689.66
  5. Step 5: Solve for x
    x = 285,985,689.66/17,711.40
  6. Step 6: Final answer
    x = 16,146.98

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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.