Home / 10,637.65-15,958.16-3,240.39

Finding the Fourth Proportional to 10,637.65, 15,958.16 and 3,240.39

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Solution

The fourth proportional to 10,637.65, 15,958.16 and 3,240.39 is: 4,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.65 : 15,958.16 = 3,240.39 : x
  2. Step 2: Convert to fraction form
    10,637.65/15,958.16 = 3,240.39/x
  3. Step 3: Cross multiply
    10,637.65x = 15,958.16 × 3,240.39
  4. Step 4: Simplify right side
    10,637.65x = 51,710,662.08
  5. Step 5: Solve for x
    x = 51,710,662.08/10,637.65
  6. Step 6: Final answer
    x = 4,861.10

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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.