Home / 10,257.09-14,167.04-7,285.81

Finding the Fourth Proportional to 10,257.09, 14,167.04 and 7,285.81

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Solution

The fourth proportional to 10,257.09, 14,167.04 and 7,285.81 is: 10,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.09 : 14,167.04 = 7,285.81 : x
  2. Step 2: Convert to fraction form
    10,257.09/14,167.04 = 7,285.81/x
  3. Step 3: Cross multiply
    10,257.09x = 14,167.04 × 7,285.81
  4. Step 4: Simplify right side
    10,257.09x = 103,218,325.27
  5. Step 5: Solve for x
    x = 103,218,325.27/10,257.09
  6. Step 6: Final answer
    x = 10,063.12

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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.