Home / 13,423.56-18,524.64-7,455.24

Finding the Fourth Proportional to 13,423.56, 18,524.64 and 7,455.24

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Solution

The fourth proportional to 13,423.56, 18,524.64 and 7,455.24 is: 10,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.56 : 18,524.64 = 7,455.24 : x
  2. Step 2: Convert to fraction form
    13,423.56/18,524.64 = 7,455.24/x
  3. Step 3: Cross multiply
    13,423.56x = 18,524.64 × 7,455.24
  4. Step 4: Simplify right side
    13,423.56x = 138,105,637.11
  5. Step 5: Solve for x
    x = 138,105,637.11/13,423.56
  6. Step 6: Final answer
    x = 10,288.30

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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.