Home / 9,435.60-14,153.40-8,528.40

Finding the Fourth Proportional to 9,435.60, 14,153.40 and 8,528.40

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Solution

The fourth proportional to 9,435.60, 14,153.40 and 8,528.40 is: 12,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.60 : 14,153.40 = 8,528.40 : x
  2. Step 2: Convert to fraction form
    9,435.60/14,153.40 = 8,528.40/x
  3. Step 3: Cross multiply
    9,435.60x = 14,153.40 × 8,528.40
  4. Step 4: Simplify right side
    9,435.60x = 120,705,856.56
  5. Step 5: Solve for x
    x = 120,705,856.56/9,435.60
  6. Step 6: Final answer
    x = 12,792.60

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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.