Home / 10,528.40-15,792.57-4,286.94

Finding the Fourth Proportional to 10,528.40, 15,792.57 and 4,286.94

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Solution

The fourth proportional to 10,528.40, 15,792.57 and 4,286.94 is: 6,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.40 : 15,792.57 = 4,286.94 : x
  2. Step 2: Convert to fraction form
    10,528.40/15,792.57 = 4,286.94/x
  3. Step 3: Cross multiply
    10,528.40x = 15,792.57 × 4,286.94
  4. Step 4: Simplify right side
    10,528.40x = 67,701,862.96
  5. Step 5: Solve for x
    x = 67,701,862.96/10,528.40
  6. Step 6: Final answer
    x = 6,430.40

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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.