Home / 10,347.68-15,521.34-2,556.50

Finding the Fourth Proportional to 10,347.68, 15,521.34 and 2,556.50

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Solution

The fourth proportional to 10,347.68, 15,521.34 and 2,556.50 is: 3,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.68 : 15,521.34 = 2,556.50 : x
  2. Step 2: Convert to fraction form
    10,347.68/15,521.34 = 2,556.50/x
  3. Step 3: Cross multiply
    10,347.68x = 15,521.34 × 2,556.50
  4. Step 4: Simplify right side
    10,347.68x = 39,680,228.10
  5. Step 5: Solve for x
    x = 39,680,228.10/10,347.68
  6. Step 6: Final answer
    x = 3,834.70

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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.