Home / 14,423-19,905.90-8,837.24

Finding the Fourth Proportional to 14,423, 19,905.90 and 8,837.24

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Solution

The fourth proportional to 14,423, 19,905.90 and 8,837.24 is: 12,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423 : 19,905.90 = 8,837.24 : x
  2. Step 2: Convert to fraction form
    14,423/19,905.90 = 8,837.24/x
  3. Step 3: Cross multiply
    14,423x = 19,905.90 × 8,837.24
  4. Step 4: Simplify right side
    14,423x = 175,913,215.72
  5. Step 5: Solve for x
    x = 175,913,215.72/14,423
  6. Step 6: Final answer
    x = 12,196.71

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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.