Home / 10,152.06-15,204.43-9,871.80

Finding the Fourth Proportional to 10,152.06, 15,204.43 and 9,871.80

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Solution

The fourth proportional to 10,152.06, 15,204.43 and 9,871.80 is: 14,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.06 : 15,204.43 = 9,871.80 : x
  2. Step 2: Convert to fraction form
    10,152.06/15,204.43 = 9,871.80/x
  3. Step 3: Cross multiply
    10,152.06x = 15,204.43 × 9,871.80
  4. Step 4: Simplify right side
    10,152.06x = 150,095,016.05
  5. Step 5: Solve for x
    x = 150,095,016.05/10,152.06
  6. Step 6: Final answer
    x = 14,784.69

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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.