Home / 10,497.72-15,768.45-8,857.48

Finding the Fourth Proportional to 10,497.72, 15,768.45 and 8,857.48

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Solution

The fourth proportional to 10,497.72, 15,768.45 and 8,857.48 is: 13,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.72 : 15,768.45 = 8,857.48 : x
  2. Step 2: Convert to fraction form
    10,497.72/15,768.45 = 8,857.48/x
  3. Step 3: Cross multiply
    10,497.72x = 15,768.45 × 8,857.48
  4. Step 4: Simplify right side
    10,497.72x = 139,668,730.51
  5. Step 5: Solve for x
    x = 139,668,730.51/10,497.72
  6. Step 6: Final answer
    x = 13,304.67

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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.