Home / 10,257.99-14,216.64-10,102.47

Finding the Fourth Proportional to 10,257.99, 14,216.64 and 10,102.47

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Solution

The fourth proportional to 10,257.99, 14,216.64 and 10,102.47 is: 14,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.99 : 14,216.64 = 10,102.47 : x
  2. Step 2: Convert to fraction form
    10,257.99/14,216.64 = 10,102.47/x
  3. Step 3: Cross multiply
    10,257.99x = 14,216.64 × 10,102.47
  4. Step 4: Simplify right side
    10,257.99x = 143,623,179.10
  5. Step 5: Solve for x
    x = 143,623,179.10/10,257.99
  6. Step 6: Final answer
    x = 14,001.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.