Home / 14,127.48-21,186.88-9,772.92

Finding the Fourth Proportional to 14,127.48, 21,186.88 and 9,772.92

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Solution

The fourth proportional to 14,127.48, 21,186.88 and 9,772.92 is: 14,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.48 : 21,186.88 = 9,772.92 : x
  2. Step 2: Convert to fraction form
    14,127.48/21,186.88 = 9,772.92/x
  3. Step 3: Cross multiply
    14,127.48x = 21,186.88 × 9,772.92
  4. Step 4: Simplify right side
    14,127.48x = 207,057,683.29
  5. Step 5: Solve for x
    x = 207,057,683.29/14,127.48
  6. Step 6: Final answer
    x = 14,656.38

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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.