Home / 14,269.35-21,411.62-5,390.74

Finding the Fourth Proportional to 14,269.35, 21,411.62 and 5,390.74

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Solution

The fourth proportional to 14,269.35, 21,411.62 and 5,390.74 is: 8,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.35 : 21,411.62 = 5,390.74 : x
  2. Step 2: Convert to fraction form
    14,269.35/21,411.62 = 5,390.74/x
  3. Step 3: Cross multiply
    14,269.35x = 21,411.62 × 5,390.74
  4. Step 4: Simplify right side
    14,269.35x = 115,424,476.40
  5. Step 5: Solve for x
    x = 115,424,476.40/14,269.35
  6. Step 6: Final answer
    x = 8,088.98

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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.