Home / 10,130.67-14,018.67-8,636.22

Finding the Fourth Proportional to 10,130.67, 14,018.67 and 8,636.22

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Solution

The fourth proportional to 10,130.67, 14,018.67 and 8,636.22 is: 11,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.67 : 14,018.67 = 8,636.22 : x
  2. Step 2: Convert to fraction form
    10,130.67/14,018.67 = 8,636.22/x
  3. Step 3: Cross multiply
    10,130.67x = 14,018.67 × 8,636.22
  4. Step 4: Simplify right side
    10,130.67x = 121,068,318.23
  5. Step 5: Solve for x
    x = 121,068,318.23/10,130.67
  6. Step 6: Final answer
    x = 11,950.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.