Home / 10,347.63-15,521.45-2,556.45

Finding the Fourth Proportional to 10,347.63, 15,521.45 and 2,556.45

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Solution

The fourth proportional to 10,347.63, 15,521.45 and 2,556.45 is: 3,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.63 : 15,521.45 = 2,556.45 : x
  2. Step 2: Convert to fraction form
    10,347.63/15,521.45 = 2,556.45/x
  3. Step 3: Cross multiply
    10,347.63x = 15,521.45 × 2,556.45
  4. Step 4: Simplify right side
    10,347.63x = 39,679,810.85
  5. Step 5: Solve for x
    x = 39,679,810.85/10,347.63
  6. Step 6: Final answer
    x = 3,834.68

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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.