Home / 12,435.68-18,653.50-8,528.24

Finding the Fourth Proportional to 12,435.68, 18,653.50 and 8,528.24

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Solution

The fourth proportional to 12,435.68, 18,653.50 and 8,528.24 is: 12,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.68 : 18,653.50 = 8,528.24 : x
  2. Step 2: Convert to fraction form
    12,435.68/18,653.50 = 8,528.24/x
  3. Step 3: Cross multiply
    12,435.68x = 18,653.50 × 8,528.24
  4. Step 4: Simplify right side
    12,435.68x = 159,081,524.84
  5. Step 5: Solve for x
    x = 159,081,524.84/12,435.68
  6. Step 6: Final answer
    x = 12,792.35

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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.