Home / 9,703.49-14,554.02-3,128.99

Finding the Fourth Proportional to 9,703.49, 14,554.02 and 3,128.99

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Solution

The fourth proportional to 9,703.49, 14,554.02 and 3,128.99 is: 4,693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703.49 : 14,554.02 = 3,128.99 : x
  2. Step 2: Convert to fraction form
    9,703.49/14,554.02 = 3,128.99/x
  3. Step 3: Cross multiply
    9,703.49x = 14,554.02 × 3,128.99
  4. Step 4: Simplify right side
    9,703.49x = 45,539,383.04
  5. Step 5: Solve for x
    x = 45,539,383.04/9,703.49
  6. Step 6: Final answer
    x = 4,693.09

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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.