Home / 15,957.24-22,021.77-8,883.51

Finding the Fourth Proportional to 15,957.24, 22,021.77 and 8,883.51

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Solution

The fourth proportional to 15,957.24, 22,021.77 and 8,883.51 is: 12,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.24 : 22,021.77 = 8,883.51 : x
  2. Step 2: Convert to fraction form
    15,957.24/22,021.77 = 8,883.51/x
  3. Step 3: Cross multiply
    15,957.24x = 22,021.77 × 8,883.51
  4. Step 4: Simplify right side
    15,957.24x = 195,630,614.01
  5. Step 5: Solve for x
    x = 195,630,614.01/15,957.24
  6. Step 6: Final answer
    x = 12,259.68

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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.