Home / 13,296.77-18,336.75-8,751.32

Finding the Fourth Proportional to 13,296.77, 18,336.75 and 8,751.32

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Solution

The fourth proportional to 13,296.77, 18,336.75 and 8,751.32 is: 12,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.77 : 18,336.75 = 8,751.32 : x
  2. Step 2: Convert to fraction form
    13,296.77/18,336.75 = 8,751.32/x
  3. Step 3: Cross multiply
    13,296.77x = 18,336.75 × 8,751.32
  4. Step 4: Simplify right side
    13,296.77x = 160,470,767.01
  5. Step 5: Solve for x
    x = 160,470,767.01/13,296.77
  6. Step 6: Final answer
    x = 12,068.40

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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.