Home / 18,386.34-25,368.72-10,832.09

Finding the Fourth Proportional to 18,386.34, 25,368.72 and 10,832.09

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Solution

The fourth proportional to 18,386.34, 25,368.72 and 10,832.09 is: 14,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.34 : 25,368.72 = 10,832.09 : x
  2. Step 2: Convert to fraction form
    18,386.34/25,368.72 = 10,832.09/x
  3. Step 3: Cross multiply
    18,386.34x = 25,368.72 × 10,832.09
  4. Step 4: Simplify right side
    18,386.34x = 274,796,131.38
  5. Step 5: Solve for x
    x = 274,796,131.38/18,386.34
  6. Step 6: Final answer
    x = 14,945.67

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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.