Home / 14,001.30-19,320.87-7,713.67

Finding the Fourth Proportional to 14,001.30, 19,320.87 and 7,713.67

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Solution

The fourth proportional to 14,001.30, 19,320.87 and 7,713.67 is: 10,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.30 : 19,320.87 = 7,713.67 : x
  2. Step 2: Convert to fraction form
    14,001.30/19,320.87 = 7,713.67/x
  3. Step 3: Cross multiply
    14,001.30x = 19,320.87 × 7,713.67
  4. Step 4: Simplify right side
    14,001.30x = 149,034,815.29
  5. Step 5: Solve for x
    x = 149,034,815.29/14,001.30
  6. Step 6: Final answer
    x = 10,644.36

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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.