Home / 10,252.35-15,379.28-3,678.59

Finding the Fourth Proportional to 10,252.35, 15,379.28 and 3,678.59

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Solution

The fourth proportional to 10,252.35, 15,379.28 and 3,678.59 is: 5,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.35 : 15,379.28 = 3,678.59 : x
  2. Step 2: Convert to fraction form
    10,252.35/15,379.28 = 3,678.59/x
  3. Step 3: Cross multiply
    10,252.35x = 15,379.28 × 3,678.59
  4. Step 4: Simplify right side
    10,252.35x = 56,574,113.26
  5. Step 5: Solve for x
    x = 56,574,113.26/10,252.35
  6. Step 6: Final answer
    x = 5,518.16

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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.