Home / 14,270.84-21,407.70-4,909.60

Finding the Fourth Proportional to 14,270.84, 21,407.70 and 4,909.60

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Solution

The fourth proportional to 14,270.84, 21,407.70 and 4,909.60 is: 7,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.84 : 21,407.70 = 4,909.60 : x
  2. Step 2: Convert to fraction form
    14,270.84/21,407.70 = 4,909.60/x
  3. Step 3: Cross multiply
    14,270.84x = 21,407.70 × 4,909.60
  4. Step 4: Simplify right side
    14,270.84x = 105,103,243.92
  5. Step 5: Solve for x
    x = 105,103,243.92/14,270.84
  6. Step 6: Final answer
    x = 7,364.90

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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.