Home / 13,037.72-18,006.91-8,838.68

Finding the Fourth Proportional to 13,037.72, 18,006.91 and 8,838.68

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Solution

The fourth proportional to 13,037.72, 18,006.91 and 8,838.68 is: 12,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.72 : 18,006.91 = 8,838.68 : x
  2. Step 2: Convert to fraction form
    13,037.72/18,006.91 = 8,838.68/x
  3. Step 3: Cross multiply
    13,037.72x = 18,006.91 × 8,838.68
  4. Step 4: Simplify right side
    13,037.72x = 159,157,271.09
  5. Step 5: Solve for x
    x = 159,157,271.09/13,037.72
  6. Step 6: Final answer
    x = 12,207.45

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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.