Home / 14,400.12-19,873.02-8,812.20

Finding the Fourth Proportional to 14,400.12, 19,873.02 and 8,812.20

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Solution

The fourth proportional to 14,400.12, 19,873.02 and 8,812.20 is: 12,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.12 : 19,873.02 = 8,812.20 : x
  2. Step 2: Convert to fraction form
    14,400.12/19,873.02 = 8,812.20/x
  3. Step 3: Cross multiply
    14,400.12x = 19,873.02 × 8,812.20
  4. Step 4: Simplify right side
    14,400.12x = 175,125,026.84
  5. Step 5: Solve for x
    x = 175,125,026.84/14,400.12
  6. Step 6: Final answer
    x = 12,161.36

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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.