Home / 14,189.47-21,285.42-5,867.89

Finding the Fourth Proportional to 14,189.47, 21,285.42 and 5,867.89

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Solution

The fourth proportional to 14,189.47, 21,285.42 and 5,867.89 is: 8,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.47 : 21,285.42 = 5,867.89 : x
  2. Step 2: Convert to fraction form
    14,189.47/21,285.42 = 5,867.89/x
  3. Step 3: Cross multiply
    14,189.47x = 21,285.42 × 5,867.89
  4. Step 4: Simplify right side
    14,189.47x = 124,900,503.16
  5. Step 5: Solve for x
    x = 124,900,503.16/14,189.47
  6. Step 6: Final answer
    x = 8,802.34

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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.