Home / 13,037.47-18,006.56-8,838.43

Finding the Fourth Proportional to 13,037.47, 18,006.56 and 8,838.43

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Solution

The fourth proportional to 13,037.47, 18,006.56 and 8,838.43 is: 12,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.47 : 18,006.56 = 8,838.43 : x
  2. Step 2: Convert to fraction form
    13,037.47/18,006.56 = 8,838.43/x
  3. Step 3: Cross multiply
    13,037.47x = 18,006.56 × 8,838.43
  4. Step 4: Simplify right side
    13,037.47x = 159,149,720.10
  5. Step 5: Solve for x
    x = 159,149,720.10/13,037.47
  6. Step 6: Final answer
    x = 12,207.10

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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.