Home / 13,043.80-19,543.34-8,761.50

Finding the Fourth Proportional to 13,043.80, 19,543.34 and 8,761.50

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Solution

The fourth proportional to 13,043.80, 19,543.34 and 8,761.50 is: 13,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.80 : 19,543.34 = 8,761.50 : x
  2. Step 2: Convert to fraction form
    13,043.80/19,543.34 = 8,761.50/x
  3. Step 3: Cross multiply
    13,043.80x = 19,543.34 × 8,761.50
  4. Step 4: Simplify right side
    13,043.80x = 171,228,875.69
  5. Step 5: Solve for x
    x = 171,228,875.69/13,043.80
  6. Step 6: Final answer
    x = 13,127.23

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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.