Home / 13,475.12-18,595.86-7,733.49

Finding the Fourth Proportional to 13,475.12, 18,595.86 and 7,733.49

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Solution

The fourth proportional to 13,475.12, 18,595.86 and 7,733.49 is: 10,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.12 : 18,595.86 = 7,733.49 : x
  2. Step 2: Convert to fraction form
    13,475.12/18,595.86 = 7,733.49/x
  3. Step 3: Cross multiply
    13,475.12x = 18,595.86 × 7,733.49
  4. Step 4: Simplify right side
    13,475.12x = 143,810,897.35
  5. Step 5: Solve for x
    x = 143,810,897.35/13,475.12
  6. Step 6: Final answer
    x = 10,672.33

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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.