Home / 13,088.70-19,624.41-5,289.66

Finding the Fourth Proportional to 13,088.70, 19,624.41 and 5,289.66

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Solution

The fourth proportional to 13,088.70, 19,624.41 and 5,289.66 is: 7,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.70 : 19,624.41 = 5,289.66 : x
  2. Step 2: Convert to fraction form
    13,088.70/19,624.41 = 5,289.66/x
  3. Step 3: Cross multiply
    13,088.70x = 19,624.41 × 5,289.66
  4. Step 4: Simplify right side
    13,088.70x = 103,806,456.60
  5. Step 5: Solve for x
    x = 103,806,456.60/13,088.70
  6. Step 6: Final answer
    x = 7,931.00

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