Home / 17,887.77-24,685.36-9,929.79

Finding the Fourth Proportional to 17,887.77, 24,685.36 and 9,929.79

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Solution

The fourth proportional to 17,887.77, 24,685.36 and 9,929.79 is: 13,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.77 : 24,685.36 = 9,929.79 : x
  2. Step 2: Convert to fraction form
    17,887.77/24,685.36 = 9,929.79/x
  3. Step 3: Cross multiply
    17,887.77x = 24,685.36 × 9,929.79
  4. Step 4: Simplify right side
    17,887.77x = 245,120,416.05
  5. Step 5: Solve for x
    x = 245,120,416.05/17,887.77
  6. Step 6: Final answer
    x = 13,703.24

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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.