Home / 13,510.57-18,636.30-8,973.46

Finding the Fourth Proportional to 13,510.57, 18,636.30 and 8,973.46

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Solution

The fourth proportional to 13,510.57, 18,636.30 and 8,973.46 is: 12,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.57 : 18,636.30 = 8,973.46 : x
  2. Step 2: Convert to fraction form
    13,510.57/18,636.30 = 8,973.46/x
  3. Step 3: Cross multiply
    13,510.57x = 18,636.30 × 8,973.46
  4. Step 4: Simplify right side
    13,510.57x = 167,232,092.60
  5. Step 5: Solve for x
    x = 167,232,092.60/13,510.57
  6. Step 6: Final answer
    x = 12,377.87

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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.