Home / 10,259.16-15,383.56-5,327.40

Finding the Fourth Proportional to 10,259.16, 15,383.56 and 5,327.40

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Solution

The fourth proportional to 10,259.16, 15,383.56 and 5,327.40 is: 7,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.16 : 15,383.56 = 5,327.40 : x
  2. Step 2: Convert to fraction form
    10,259.16/15,383.56 = 5,327.40/x
  3. Step 3: Cross multiply
    10,259.16x = 15,383.56 × 5,327.40
  4. Step 4: Simplify right side
    10,259.16x = 81,954,377.54
  5. Step 5: Solve for x
    x = 81,954,377.54/10,259.16
  6. Step 6: Final answer
    x = 7,988.41

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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.