Home / 11,570.54-15,966.75-6,465.15

Finding the Fourth Proportional to 11,570.54, 15,966.75 and 6,465.15

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Solution

The fourth proportional to 11,570.54, 15,966.75 and 6,465.15 is: 8,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.54 : 15,966.75 = 6,465.15 : x
  2. Step 2: Convert to fraction form
    11,570.54/15,966.75 = 6,465.15/x
  3. Step 3: Cross multiply
    11,570.54x = 15,966.75 × 6,465.15
  4. Step 4: Simplify right side
    11,570.54x = 103,227,433.76
  5. Step 5: Solve for x
    x = 103,227,433.76/11,570.54
  6. Step 6: Final answer
    x = 8,921.58

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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.