Home / 14,555.64-20,088.91-8,182.76

Finding the Fourth Proportional to 14,555.64, 20,088.91 and 8,182.76

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Solution

The fourth proportional to 14,555.64, 20,088.91 and 8,182.76 is: 11,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.64 : 20,088.91 = 8,182.76 : x
  2. Step 2: Convert to fraction form
    14,555.64/20,088.91 = 8,182.76/x
  3. Step 3: Cross multiply
    14,555.64x = 20,088.91 × 8,182.76
  4. Step 4: Simplify right side
    14,555.64x = 164,382,751.98
  5. Step 5: Solve for x
    x = 164,382,751.98/14,555.64
  6. Step 6: Final answer
    x = 11,293.40

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Half scale
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Double scale
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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.