Home / 10,508.01-15,751.36-6,812.58

Finding the Fourth Proportional to 10,508.01, 15,751.36 and 6,812.58

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Solution

The fourth proportional to 10,508.01, 15,751.36 and 6,812.58 is: 10,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.01 : 15,751.36 = 6,812.58 : x
  2. Step 2: Convert to fraction form
    10,508.01/15,751.36 = 6,812.58/x
  3. Step 3: Cross multiply
    10,508.01x = 15,751.36 × 6,812.58
  4. Step 4: Simplify right side
    10,508.01x = 107,307,400.11
  5. Step 5: Solve for x
    x = 107,307,400.11/10,508.01
  6. Step 6: Final answer
    x = 10,211.96

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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.