Home / 14,088.81-21,133.17-4,228.05

Finding the Fourth Proportional to 14,088.81, 21,133.17 and 4,228.05

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Solution

The fourth proportional to 14,088.81, 21,133.17 and 4,228.05 is: 6,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.81 : 21,133.17 = 4,228.05 : x
  2. Step 2: Convert to fraction form
    14,088.81/21,133.17 = 4,228.05/x
  3. Step 3: Cross multiply
    14,088.81x = 21,133.17 × 4,228.05
  4. Step 4: Simplify right side
    14,088.81x = 89,352,099.42
  5. Step 5: Solve for x
    x = 89,352,099.42/14,088.81
  6. Step 6: Final answer
    x = 6,342.06

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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.