Home / 19,518.26-29,277.39-4,727.18

Finding the Fourth Proportional to 19,518.26, 29,277.39 and 4,727.18

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Solution

The fourth proportional to 19,518.26, 29,277.39 and 4,727.18 is: 7,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.26 : 29,277.39 = 4,727.18 : x
  2. Step 2: Convert to fraction form
    19,518.26/29,277.39 = 4,727.18/x
  3. Step 3: Cross multiply
    19,518.26x = 29,277.39 × 4,727.18
  4. Step 4: Simplify right side
    19,518.26x = 138,399,492.46
  5. Step 5: Solve for x
    x = 138,399,492.46/19,518.26
  6. Step 6: Final answer
    x = 7,090.77

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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.