Home / 10,536.62-15,813.36-5,271.42

Finding the Fourth Proportional to 10,536.62, 15,813.36 and 5,271.42

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Solution

The fourth proportional to 10,536.62, 15,813.36 and 5,271.42 is: 7,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.62 : 15,813.36 = 5,271.42 : x
  2. Step 2: Convert to fraction form
    10,536.62/15,813.36 = 5,271.42/x
  3. Step 3: Cross multiply
    10,536.62x = 15,813.36 × 5,271.42
  4. Step 4: Simplify right side
    10,536.62x = 83,358,862.17
  5. Step 5: Solve for x
    x = 83,358,862.17/10,536.62
  6. Step 6: Final answer
    x = 7,911.35

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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.