Home / 14,345.50-21,518.26-3,957.26

Finding the Fourth Proportional to 14,345.50, 21,518.26 and 3,957.26

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Solution

The fourth proportional to 14,345.50, 21,518.26 and 3,957.26 is: 5,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.50 : 21,518.26 = 3,957.26 : x
  2. Step 2: Convert to fraction form
    14,345.50/21,518.26 = 3,957.26/x
  3. Step 3: Cross multiply
    14,345.50x = 21,518.26 × 3,957.26
  4. Step 4: Simplify right side
    14,345.50x = 85,153,349.57
  5. Step 5: Solve for x
    x = 85,153,349.57/14,345.50
  6. Step 6: Final answer
    x = 5,935.89

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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.