Home / 10,271.04-15,406.92-6,806.40

Finding the Fourth Proportional to 10,271.04, 15,406.92 and 6,806.40

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Solution

The fourth proportional to 10,271.04, 15,406.92 and 6,806.40 is: 10,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.04 : 15,406.92 = 6,806.40 : x
  2. Step 2: Convert to fraction form
    10,271.04/15,406.92 = 6,806.40/x
  3. Step 3: Cross multiply
    10,271.04x = 15,406.92 × 6,806.40
  4. Step 4: Simplify right side
    10,271.04x = 104,865,660.29
  5. Step 5: Solve for x
    x = 104,865,660.29/10,271.04
  6. Step 6: Final answer
    x = 10,209.84

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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.