Home / 13,998.30-19,317.29-7,624.77

Finding the Fourth Proportional to 13,998.30, 19,317.29 and 7,624.77

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Solution

The fourth proportional to 13,998.30, 19,317.29 and 7,624.77 is: 10,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.30 : 19,317.29 = 7,624.77 : x
  2. Step 2: Convert to fraction form
    13,998.30/19,317.29 = 7,624.77/x
  3. Step 3: Cross multiply
    13,998.30x = 19,317.29 × 7,624.77
  4. Step 4: Simplify right side
    13,998.30x = 147,289,855.15
  5. Step 5: Solve for x
    x = 147,289,855.15/13,998.30
  6. Step 6: Final answer
    x = 10,521.98

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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.