Home / 14,259.84-21,390.37-4,398.90

Finding the Fourth Proportional to 14,259.84, 21,390.37 and 4,398.90

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Solution

The fourth proportional to 14,259.84, 21,390.37 and 4,398.90 is: 6,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.84 : 21,390.37 = 4,398.90 : x
  2. Step 2: Convert to fraction form
    14,259.84/21,390.37 = 4,398.90/x
  3. Step 3: Cross multiply
    14,259.84x = 21,390.37 × 4,398.90
  4. Step 4: Simplify right side
    14,259.84x = 94,094,087.60
  5. Step 5: Solve for x
    x = 94,094,087.60/14,259.84
  6. Step 6: Final answer
    x = 6,598.54

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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.