Home / 10,389.56-15,584.35-4,150.07

Finding the Fourth Proportional to 10,389.56, 15,584.35 and 4,150.07

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Solution

The fourth proportional to 10,389.56, 15,584.35 and 4,150.07 is: 6,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.56 : 15,584.35 = 4,150.07 : x
  2. Step 2: Convert to fraction form
    10,389.56/15,584.35 = 4,150.07/x
  3. Step 3: Cross multiply
    10,389.56x = 15,584.35 × 4,150.07
  4. Step 4: Simplify right side
    10,389.56x = 64,676,143.40
  5. Step 5: Solve for x
    x = 64,676,143.40/10,389.56
  6. Step 6: Final answer
    x = 6,225.11

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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.