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Finding the Fourth Proportional to 14,000.99, 21,004.65 and 4,640.99

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Solution

The fourth proportional to 14,000.99, 21,004.65 and 4,640.99 is: 6,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.99 : 21,004.65 = 4,640.99 : x
  2. Step 2: Convert to fraction form
    14,000.99/21,004.65 = 4,640.99/x
  3. Step 3: Cross multiply
    14,000.99x = 21,004.65 × 4,640.99
  4. Step 4: Simplify right side
    14,000.99x = 97,482,265.58
  5. Step 5: Solve for x
    x = 97,482,265.58/14,000.99
  6. Step 6: Final answer
    x = 6,962.53

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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.