Home / 12,036.70-18,017.22-8,266.40

Finding the Fourth Proportional to 12,036.70, 18,017.22 and 8,266.40

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Solution

The fourth proportional to 12,036.70, 18,017.22 and 8,266.40 is: 12,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.70 : 18,017.22 = 8,266.40 : x
  2. Step 2: Convert to fraction form
    12,036.70/18,017.22 = 8,266.40/x
  3. Step 3: Cross multiply
    12,036.70x = 18,017.22 × 8,266.40
  4. Step 4: Simplify right side
    12,036.70x = 148,937,657.23
  5. Step 5: Solve for x
    x = 148,937,657.23/12,036.70
  6. Step 6: Final answer
    x = 12,373.63

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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.