Home / 10,347.88-15,521.64-2,556.70

Finding the Fourth Proportional to 10,347.88, 15,521.64 and 2,556.70

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Solution

The fourth proportional to 10,347.88, 15,521.64 and 2,556.70 is: 3,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.88 : 15,521.64 = 2,556.70 : x
  2. Step 2: Convert to fraction form
    10,347.88/15,521.64 = 2,556.70/x
  3. Step 3: Cross multiply
    10,347.88x = 15,521.64 × 2,556.70
  4. Step 4: Simplify right side
    10,347.88x = 39,684,176.99
  5. Step 5: Solve for x
    x = 39,684,176.99/10,347.88
  6. Step 6: Final answer
    x = 3,835.01

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1.5x scale

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.