Home / 10,447.40-15,674.70-4,608.20

Finding the Fourth Proportional to 10,447.40, 15,674.70 and 4,608.20

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Solution

The fourth proportional to 10,447.40, 15,674.70 and 4,608.20 is: 6,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.40 : 15,674.70 = 4,608.20 : x
  2. Step 2: Convert to fraction form
    10,447.40/15,674.70 = 4,608.20/x
  3. Step 3: Cross multiply
    10,447.40x = 15,674.70 × 4,608.20
  4. Step 4: Simplify right side
    10,447.40x = 72,232,152.54
  5. Step 5: Solve for x
    x = 72,232,152.54/10,447.40
  6. Step 6: Final answer
    x = 6,913.89

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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.