Home / 11,456.74-15,810.45-7,475.54

Finding the Fourth Proportional to 11,456.74, 15,810.45 and 7,475.54

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Solution

The fourth proportional to 11,456.74, 15,810.45 and 7,475.54 is: 10,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.74 : 15,810.45 = 7,475.54 : x
  2. Step 2: Convert to fraction form
    11,456.74/15,810.45 = 7,475.54/x
  3. Step 3: Cross multiply
    11,456.74x = 15,810.45 × 7,475.54
  4. Step 4: Simplify right side
    11,456.74x = 118,191,651.39
  5. Step 5: Solve for x
    x = 118,191,651.39/11,456.74
  6. Step 6: Final answer
    x = 10,316.35

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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.