Home / 18,438.84-25,448.28-10,479.24

Finding the Fourth Proportional to 18,438.84, 25,448.28 and 10,479.24

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Solution

The fourth proportional to 18,438.84, 25,448.28 and 10,479.24 is: 14,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.84 : 25,448.28 = 10,479.24 : x
  2. Step 2: Convert to fraction form
    18,438.84/25,448.28 = 10,479.24/x
  3. Step 3: Cross multiply
    18,438.84x = 25,448.28 × 10,479.24
  4. Step 4: Simplify right side
    18,438.84x = 266,678,633.71
  5. Step 5: Solve for x
    x = 266,678,633.71/18,438.84
  6. Step 6: Final answer
    x = 14,462.87

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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.