Home / 10,245.02-14,145.71-6,271.56

Finding the Fourth Proportional to 10,245.02, 14,145.71 and 6,271.56

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Solution

The fourth proportional to 10,245.02, 14,145.71 and 6,271.56 is: 8,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.02 : 14,145.71 = 6,271.56 : x
  2. Step 2: Convert to fraction form
    10,245.02/14,145.71 = 6,271.56/x
  3. Step 3: Cross multiply
    10,245.02x = 14,145.71 × 6,271.56
  4. Step 4: Simplify right side
    10,245.02x = 88,715,637.65
  5. Step 5: Solve for x
    x = 88,715,637.65/10,245.02
  6. Step 6: Final answer
    x = 8,659.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.