Home / 13,453.29-18,563.45-7,484.94

Finding the Fourth Proportional to 13,453.29, 18,563.45 and 7,484.94

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Solution

The fourth proportional to 13,453.29, 18,563.45 and 7,484.94 is: 10,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.29 : 18,563.45 = 7,484.94 : x
  2. Step 2: Convert to fraction form
    13,453.29/18,563.45 = 7,484.94/x
  3. Step 3: Cross multiply
    13,453.29x = 18,563.45 × 7,484.94
  4. Step 4: Simplify right side
    13,453.29x = 138,946,272.02
  5. Step 5: Solve for x
    x = 138,946,272.02/13,453.29
  6. Step 6: Final answer
    x = 10,328.05

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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.