Home / 10,448.98-15,655.81-5,176.96

Finding the Fourth Proportional to 10,448.98, 15,655.81 and 5,176.96

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Solution

The fourth proportional to 10,448.98, 15,655.81 and 5,176.96 is: 7,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.98 : 15,655.81 = 5,176.96 : x
  2. Step 2: Convert to fraction form
    10,448.98/15,655.81 = 5,176.96/x
  3. Step 3: Cross multiply
    10,448.98x = 15,655.81 × 5,176.96
  4. Step 4: Simplify right side
    10,448.98x = 81,049,502.14
  5. Step 5: Solve for x
    x = 81,049,502.14/10,448.98
  6. Step 6: Final answer
    x = 7,756.69

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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.