Home / 12,511.08-17,260.11-8,037.45

Finding the Fourth Proportional to 12,511.08, 17,260.11 and 8,037.45

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Solution

The fourth proportional to 12,511.08, 17,260.11 and 8,037.45 is: 11,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.08 : 17,260.11 = 8,037.45 : x
  2. Step 2: Convert to fraction form
    12,511.08/17,260.11 = 8,037.45/x
  3. Step 3: Cross multiply
    12,511.08x = 17,260.11 × 8,037.45
  4. Step 4: Simplify right side
    12,511.08x = 138,727,271.12
  5. Step 5: Solve for x
    x = 138,727,271.12/12,511.08
  6. Step 6: Final answer
    x = 11,088.35

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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.