Home / 11,427.02-17,140.53-7,530.51

Finding the Fourth Proportional to 11,427.02, 17,140.53 and 7,530.51

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Solution

The fourth proportional to 11,427.02, 17,140.53 and 7,530.51 is: 11,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.02 : 17,140.53 = 7,530.51 : x
  2. Step 2: Convert to fraction form
    11,427.02/17,140.53 = 7,530.51/x
  3. Step 3: Cross multiply
    11,427.02x = 17,140.53 × 7,530.51
  4. Step 4: Simplify right side
    11,427.02x = 129,076,932.57
  5. Step 5: Solve for x
    x = 129,076,932.57/11,427.02
  6. Step 6: Final answer
    x = 11,295.77

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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.