Home / 14,659.86-21,989.43-4,271.70

Finding the Fourth Proportional to 14,659.86, 21,989.43 and 4,271.70

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Solution

The fourth proportional to 14,659.86, 21,989.43 and 4,271.70 is: 6,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.86 : 21,989.43 = 4,271.70 : x
  2. Step 2: Convert to fraction form
    14,659.86/21,989.43 = 4,271.70/x
  3. Step 3: Cross multiply
    14,659.86x = 21,989.43 × 4,271.70
  4. Step 4: Simplify right side
    14,659.86x = 93,932,248.13
  5. Step 5: Solve for x
    x = 93,932,248.13/14,659.86
  6. Step 6: Final answer
    x = 6,407.45

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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.