Home / 14,106.90-21,159.54-4,245.96

Finding the Fourth Proportional to 14,106.90, 21,159.54 and 4,245.96

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Solution

The fourth proportional to 14,106.90, 21,159.54 and 4,245.96 is: 6,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.90 : 21,159.54 = 4,245.96 : x
  2. Step 2: Convert to fraction form
    14,106.90/21,159.54 = 4,245.96/x
  3. Step 3: Cross multiply
    14,106.90x = 21,159.54 × 4,245.96
  4. Step 4: Simplify right side
    14,106.90x = 89,842,560.46
  5. Step 5: Solve for x
    x = 89,842,560.46/14,106.90
  6. Step 6: Final answer
    x = 6,368.70

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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.