Home / 13,038.79-17,993.41-7,296.19

Finding the Fourth Proportional to 13,038.79, 17,993.41 and 7,296.19

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Solution

The fourth proportional to 13,038.79, 17,993.41 and 7,296.19 is: 10,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.79 : 17,993.41 = 7,296.19 : x
  2. Step 2: Convert to fraction form
    13,038.79/17,993.41 = 7,296.19/x
  3. Step 3: Cross multiply
    13,038.79x = 17,993.41 × 7,296.19
  4. Step 4: Simplify right side
    13,038.79x = 131,283,338.11
  5. Step 5: Solve for x
    x = 131,283,338.11/13,038.79
  6. Step 6: Final answer
    x = 10,068.67

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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.