Home / 11,556.93-15,948.72-6,521.40

Finding the Fourth Proportional to 11,556.93, 15,948.72 and 6,521.40

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Solution

The fourth proportional to 11,556.93, 15,948.72 and 6,521.40 is: 8,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.93 : 15,948.72 = 6,521.40 : x
  2. Step 2: Convert to fraction form
    11,556.93/15,948.72 = 6,521.40/x
  3. Step 3: Cross multiply
    11,556.93x = 15,948.72 × 6,521.40
  4. Step 4: Simplify right side
    11,556.93x = 104,007,982.61
  5. Step 5: Solve for x
    x = 104,007,982.61/11,556.93
  6. Step 6: Final answer
    x = 8,999.62

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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.