Home / 14,128.59-21,192.89-6,326.67

Finding the Fourth Proportional to 14,128.59, 21,192.89 and 6,326.67

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Solution

The fourth proportional to 14,128.59, 21,192.89 and 6,326.67 is: 9,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.59 : 21,192.89 = 6,326.67 : x
  2. Step 2: Convert to fraction form
    14,128.59/21,192.89 = 6,326.67/x
  3. Step 3: Cross multiply
    14,128.59x = 21,192.89 × 6,326.67
  4. Step 4: Simplify right side
    14,128.59x = 134,080,421.38
  5. Step 5: Solve for x
    x = 134,080,421.38/14,128.59
  6. Step 6: Final answer
    x = 9,490.01

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.