Home / 14,316.96-21,478.40-5,551.84

Finding the Fourth Proportional to 14,316.96, 21,478.40 and 5,551.84

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Solution

The fourth proportional to 14,316.96, 21,478.40 and 5,551.84 is: 8,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.96 : 21,478.40 = 5,551.84 : x
  2. Step 2: Convert to fraction form
    14,316.96/21,478.40 = 5,551.84/x
  3. Step 3: Cross multiply
    14,316.96x = 21,478.40 × 5,551.84
  4. Step 4: Simplify right side
    14,316.96x = 119,244,640.26
  5. Step 5: Solve for x
    x = 119,244,640.26/14,316.96
  6. Step 6: Final answer
    x = 8,328.91

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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.