Home / 10,528.47-15,792.69-3,132.91

Finding the Fourth Proportional to 10,528.47, 15,792.69 and 3,132.91

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Solution

The fourth proportional to 10,528.47, 15,792.69 and 3,132.91 is: 4,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.47 : 15,792.69 = 3,132.91 : x
  2. Step 2: Convert to fraction form
    10,528.47/15,792.69 = 3,132.91/x
  3. Step 3: Cross multiply
    10,528.47x = 15,792.69 × 3,132.91
  4. Step 4: Simplify right side
    10,528.47x = 49,477,107.92
  5. Step 5: Solve for x
    x = 49,477,107.92/10,528.47
  6. Step 6: Final answer
    x = 4,699.36

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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.