Home / 13,573.70-20,360.80-8,923.34

Finding the Fourth Proportional to 13,573.70, 20,360.80 and 8,923.34

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Solution

The fourth proportional to 13,573.70, 20,360.80 and 8,923.34 is: 13,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.70 : 20,360.80 = 8,923.34 : x
  2. Step 2: Convert to fraction form
    13,573.70/20,360.80 = 8,923.34/x
  3. Step 3: Cross multiply
    13,573.70x = 20,360.80 × 8,923.34
  4. Step 4: Simplify right side
    13,573.70x = 181,686,341.07
  5. Step 5: Solve for x
    x = 181,686,341.07/13,573.70
  6. Step 6: Final answer
    x = 13,385.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.