Home / 14,160-21,237.61-4,296.90

Finding the Fourth Proportional to 14,160, 21,237.61 and 4,296.90

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Solution

The fourth proportional to 14,160, 21,237.61 and 4,296.90 is: 6,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160 : 21,237.61 = 4,296.90 : x
  2. Step 2: Convert to fraction form
    14,160/21,237.61 = 4,296.90/x
  3. Step 3: Cross multiply
    14,160x = 21,237.61 × 4,296.90
  4. Step 4: Simplify right side
    14,160x = 91,255,886.41
  5. Step 5: Solve for x
    x = 91,255,886.41/14,160
  6. Step 6: Final answer
    x = 6,444.62

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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.