Home / 13,353.69-18,427.35-7,302.74

Finding the Fourth Proportional to 13,353.69, 18,427.35 and 7,302.74

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Solution

The fourth proportional to 13,353.69, 18,427.35 and 7,302.74 is: 10,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.69 : 18,427.35 = 7,302.74 : x
  2. Step 2: Convert to fraction form
    13,353.69/18,427.35 = 7,302.74/x
  3. Step 3: Cross multiply
    13,353.69x = 18,427.35 × 7,302.74
  4. Step 4: Simplify right side
    13,353.69x = 134,570,122.90
  5. Step 5: Solve for x
    x = 134,570,122.90/13,353.69
  6. Step 6: Final answer
    x = 10,077.37

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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.