Home / 12,368.92-18,522.60-8,653.77

Finding the Fourth Proportional to 12,368.92, 18,522.60 and 8,653.77

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Solution

The fourth proportional to 12,368.92, 18,522.60 and 8,653.77 is: 12,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.92 : 18,522.60 = 8,653.77 : x
  2. Step 2: Convert to fraction form
    12,368.92/18,522.60 = 8,653.77/x
  3. Step 3: Cross multiply
    12,368.92x = 18,522.60 × 8,653.77
  4. Step 4: Simplify right side
    12,368.92x = 160,290,320.20
  5. Step 5: Solve for x
    x = 160,290,320.20/12,368.92
  6. Step 6: Final answer
    x = 12,959.12

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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.