Home / 12,316.83-18,475.23-9,856.46

Finding the Fourth Proportional to 12,316.83, 18,475.23 and 9,856.46

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Solution

The fourth proportional to 12,316.83, 18,475.23 and 9,856.46 is: 14,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.83 : 18,475.23 = 9,856.46 : x
  2. Step 2: Convert to fraction form
    12,316.83/18,475.23 = 9,856.46/x
  3. Step 3: Cross multiply
    12,316.83x = 18,475.23 × 9,856.46
  4. Step 4: Simplify right side
    12,316.83x = 182,100,273.11
  5. Step 5: Solve for x
    x = 182,100,273.11/12,316.83
  6. Step 6: Final answer
    x = 14,784.67

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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.