Home / 13,054.86-18,014.67-7,750.98

Finding the Fourth Proportional to 13,054.86, 18,014.67 and 7,750.98

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Solution

The fourth proportional to 13,054.86, 18,014.67 and 7,750.98 is: 10,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.86 : 18,014.67 = 7,750.98 : x
  2. Step 2: Convert to fraction form
    13,054.86/18,014.67 = 7,750.98/x
  3. Step 3: Cross multiply
    13,054.86x = 18,014.67 × 7,750.98
  4. Step 4: Simplify right side
    13,054.86x = 139,631,346.88
  5. Step 5: Solve for x
    x = 139,631,346.88/13,054.86
  6. Step 6: Final answer
    x = 10,695.74

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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.