Home / 14,088.74-21,127.77-4,224.69

Finding the Fourth Proportional to 14,088.74, 21,127.77 and 4,224.69

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Solution

The fourth proportional to 14,088.74, 21,127.77 and 4,224.69 is: 6,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.74 : 21,127.77 = 4,224.69 : x
  2. Step 2: Convert to fraction form
    14,088.74/21,127.77 = 4,224.69/x
  3. Step 3: Cross multiply
    14,088.74x = 21,127.77 × 4,224.69
  4. Step 4: Simplify right side
    14,088.74x = 89,258,278.64
  5. Step 5: Solve for x
    x = 89,258,278.64/14,088.74
  6. Step 6: Final answer
    x = 6,335.44

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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.