Home / 13,777.67-18,995.58-8,923.83

Finding the Fourth Proportional to 13,777.67, 18,995.58 and 8,923.83

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Solution

The fourth proportional to 13,777.67, 18,995.58 and 8,923.83 is: 12,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.67 : 18,995.58 = 8,923.83 : x
  2. Step 2: Convert to fraction form
    13,777.67/18,995.58 = 8,923.83/x
  3. Step 3: Cross multiply
    13,777.67x = 18,995.58 × 8,923.83
  4. Step 4: Simplify right side
    13,777.67x = 169,513,275.32
  5. Step 5: Solve for x
    x = 169,513,275.32/13,777.67
  6. Step 6: Final answer
    x = 12,303.48

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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.