Home / 14,222.12-19,623.47-8,253.02

Finding the Fourth Proportional to 14,222.12, 19,623.47 and 8,253.02

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Solution

The fourth proportional to 14,222.12, 19,623.47 and 8,253.02 is: 11,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.12 : 19,623.47 = 8,253.02 : x
  2. Step 2: Convert to fraction form
    14,222.12/19,623.47 = 8,253.02/x
  3. Step 3: Cross multiply
    14,222.12x = 19,623.47 × 8,253.02
  4. Step 4: Simplify right side
    14,222.12x = 161,952,898.17
  5. Step 5: Solve for x
    x = 161,952,898.17/14,222.12
  6. Step 6: Final answer
    x = 11,387.40

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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.