Home / 10,257.14-14,146.80-7,424.93

Finding the Fourth Proportional to 10,257.14, 14,146.80 and 7,424.93

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Solution

The fourth proportional to 10,257.14, 14,146.80 and 7,424.93 is: 10,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.14 : 14,146.80 = 7,424.93 : x
  2. Step 2: Convert to fraction form
    10,257.14/14,146.80 = 7,424.93/x
  3. Step 3: Cross multiply
    10,257.14x = 14,146.80 × 7,424.93
  4. Step 4: Simplify right side
    10,257.14x = 105,038,999.72
  5. Step 5: Solve for x
    x = 105,038,999.72/10,257.14
  6. Step 6: Final answer
    x = 10,240.57

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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.