Home / 10,302.44-15,457.18-4,379.09

Finding the Fourth Proportional to 10,302.44, 15,457.18 and 4,379.09

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Solution

The fourth proportional to 10,302.44, 15,457.18 and 4,379.09 is: 6,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.44 : 15,457.18 = 4,379.09 : x
  2. Step 2: Convert to fraction form
    10,302.44/15,457.18 = 4,379.09/x
  3. Step 3: Cross multiply
    10,302.44x = 15,457.18 × 4,379.09
  4. Step 4: Simplify right side
    10,302.44x = 67,688,345.82
  5. Step 5: Solve for x
    x = 67,688,345.82/10,302.44
  6. Step 6: Final answer
    x = 6,570.13

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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.