Home / 13,423.13-18,524.16-7,455.35

Finding the Fourth Proportional to 13,423.13, 18,524.16 and 7,455.35

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Solution

The fourth proportional to 13,423.13, 18,524.16 and 7,455.35 is: 10,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.13 : 18,524.16 = 7,455.35 : x
  2. Step 2: Convert to fraction form
    13,423.13/18,524.16 = 7,455.35/x
  3. Step 3: Cross multiply
    13,423.13x = 18,524.16 × 7,455.35
  4. Step 4: Simplify right side
    13,423.13x = 138,104,096.26
  5. Step 5: Solve for x
    x = 138,104,096.26/13,423.13
  6. Step 6: Final answer
    x = 10,288.52

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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.