Home / 21,055.62-29,055.93-11,624.10

Finding the Fourth Proportional to 21,055.62, 29,055.93 and 11,624.10

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Solution

The fourth proportional to 21,055.62, 29,055.93 and 11,624.10 is: 16,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.62 : 29,055.93 = 11,624.10 : x
  2. Step 2: Convert to fraction form
    21,055.62/29,055.93 = 11,624.10/x
  3. Step 3: Cross multiply
    21,055.62x = 29,055.93 × 11,624.10
  4. Step 4: Simplify right side
    21,055.62x = 337,749,035.91
  5. Step 5: Solve for x
    x = 337,749,035.91/21,055.62
  6. Step 6: Final answer
    x = 16,040.80

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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.