Home / 15,513.36-23,269.48-6,748.28

Finding the Fourth Proportional to 15,513.36, 23,269.48 and 6,748.28

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Solution

The fourth proportional to 15,513.36, 23,269.48 and 6,748.28 is: 10,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.36 : 23,269.48 = 6,748.28 : x
  2. Step 2: Convert to fraction form
    15,513.36/23,269.48 = 6,748.28/x
  3. Step 3: Cross multiply
    15,513.36x = 23,269.48 × 6,748.28
  4. Step 4: Simplify right side
    15,513.36x = 157,028,966.49
  5. Step 5: Solve for x
    x = 157,028,966.49/15,513.36
  6. Step 6: Final answer
    x = 10,122.18

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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.