Home / 11,332.17-15,638.40-6,615.54

Finding the Fourth Proportional to 11,332.17, 15,638.40 and 6,615.54

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Solution

The fourth proportional to 11,332.17, 15,638.40 and 6,615.54 is: 9,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.17 : 15,638.40 = 6,615.54 : x
  2. Step 2: Convert to fraction form
    11,332.17/15,638.40 = 6,615.54/x
  3. Step 3: Cross multiply
    11,332.17x = 15,638.40 × 6,615.54
  4. Step 4: Simplify right side
    11,332.17x = 103,456,460.74
  5. Step 5: Solve for x
    x = 103,456,460.74/11,332.17
  6. Step 6: Final answer
    x = 9,129.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.