Home / 10,253.04-15,379.54-7,916.46

Finding the Fourth Proportional to 10,253.04, 15,379.54 and 7,916.46

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Solution

The fourth proportional to 10,253.04, 15,379.54 and 7,916.46 is: 11,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.04 : 15,379.54 = 7,916.46 : x
  2. Step 2: Convert to fraction form
    10,253.04/15,379.54 = 7,916.46/x
  3. Step 3: Cross multiply
    10,253.04x = 15,379.54 × 7,916.46
  4. Step 4: Simplify right side
    10,253.04x = 121,751,435.76
  5. Step 5: Solve for x
    x = 121,751,435.76/10,253.04
  6. Step 6: Final answer
    x = 11,874.67

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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.