Home / 15,980.49-23,969.75-4,886.30

Finding the Fourth Proportional to 15,980.49, 23,969.75 and 4,886.30

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Solution

The fourth proportional to 15,980.49, 23,969.75 and 4,886.30 is: 7,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.49 : 23,969.75 = 4,886.30 : x
  2. Step 2: Convert to fraction form
    15,980.49/23,969.75 = 4,886.30/x
  3. Step 3: Cross multiply
    15,980.49x = 23,969.75 × 4,886.30
  4. Step 4: Simplify right side
    15,980.49x = 117,123,424.92
  5. Step 5: Solve for x
    x = 117,123,424.92/15,980.49
  6. Step 6: Final answer
    x = 7,329.15

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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.