Home / 10,624.41-15,939.77-4,384.80

Finding the Fourth Proportional to 10,624.41, 15,939.77 and 4,384.80

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Solution

The fourth proportional to 10,624.41, 15,939.77 and 4,384.80 is: 6,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.41 : 15,939.77 = 4,384.80 : x
  2. Step 2: Convert to fraction form
    10,624.41/15,939.77 = 4,384.80/x
  3. Step 3: Cross multiply
    10,624.41x = 15,939.77 × 4,384.80
  4. Step 4: Simplify right side
    10,624.41x = 69,892,681.57
  5. Step 5: Solve for x
    x = 69,892,681.57/10,624.41
  6. Step 6: Final answer
    x = 6,578.50

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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.