Home / 15,120.37-22,680.86-5,502.91

Finding the Fourth Proportional to 15,120.37, 22,680.86 and 5,502.91

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Solution

The fourth proportional to 15,120.37, 22,680.86 and 5,502.91 is: 8,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.37 : 22,680.86 = 5,502.91 : x
  2. Step 2: Convert to fraction form
    15,120.37/22,680.86 = 5,502.91/x
  3. Step 3: Cross multiply
    15,120.37x = 22,680.86 × 5,502.91
  4. Step 4: Simplify right side
    15,120.37x = 124,810,703.79
  5. Step 5: Solve for x
    x = 124,810,703.79/15,120.37
  6. Step 6: Final answer
    x = 8,254.48

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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.