Home / 16,259.33-22,440.45-9,887.94

Finding the Fourth Proportional to 16,259.33, 22,440.45 and 9,887.94

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Solution

The fourth proportional to 16,259.33, 22,440.45 and 9,887.94 is: 13,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.33 : 22,440.45 = 9,887.94 : x
  2. Step 2: Convert to fraction form
    16,259.33/22,440.45 = 9,887.94/x
  3. Step 3: Cross multiply
    16,259.33x = 22,440.45 × 9,887.94
  4. Step 4: Simplify right side
    16,259.33x = 221,889,823.17
  5. Step 5: Solve for x
    x = 221,889,823.17/16,259.33
  6. Step 6: Final answer
    x = 13,646.93

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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.