Home / 13,271.18-18,313.56-7,302.69

Finding the Fourth Proportional to 13,271.18, 18,313.56 and 7,302.69

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Solution

The fourth proportional to 13,271.18, 18,313.56 and 7,302.69 is: 10,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.18 : 18,313.56 = 7,302.69 : x
  2. Step 2: Convert to fraction form
    13,271.18/18,313.56 = 7,302.69/x
  3. Step 3: Cross multiply
    13,271.18x = 18,313.56 × 7,302.69
  4. Step 4: Simplify right side
    13,271.18x = 133,738,251.48
  5. Step 5: Solve for x
    x = 133,738,251.48/13,271.18
  6. Step 6: Final answer
    x = 10,077.35

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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.