Home / 10,292.40-15,438.48-2,501.28

Finding the Fourth Proportional to 10,292.40, 15,438.48 and 2,501.28

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Solution

The fourth proportional to 10,292.40, 15,438.48 and 2,501.28 is: 3,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.40 : 15,438.48 = 2,501.28 : x
  2. Step 2: Convert to fraction form
    10,292.40/15,438.48 = 2,501.28/x
  3. Step 3: Cross multiply
    10,292.40x = 15,438.48 × 2,501.28
  4. Step 4: Simplify right side
    10,292.40x = 38,615,961.25
  5. Step 5: Solve for x
    x = 38,615,961.25/10,292.40
  6. Step 6: Final answer
    x = 3,751.89

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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.