Home / 14,128.14-19,484.10-8,823.48

Finding the Fourth Proportional to 14,128.14, 19,484.10 and 8,823.48

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Solution

The fourth proportional to 14,128.14, 19,484.10 and 8,823.48 is: 12,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.14 : 19,484.10 = 8,823.48 : x
  2. Step 2: Convert to fraction form
    14,128.14/19,484.10 = 8,823.48/x
  3. Step 3: Cross multiply
    14,128.14x = 19,484.10 × 8,823.48
  4. Step 4: Simplify right side
    14,128.14x = 171,917,566.67
  5. Step 5: Solve for x
    x = 171,917,566.67/14,128.14
  6. Step 6: Final answer
    x = 12,168.45

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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.