Home / 14,000.30-21,001.56-4,639.94

Finding the Fourth Proportional to 14,000.30, 21,001.56 and 4,639.94

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Solution

The fourth proportional to 14,000.30, 21,001.56 and 4,639.94 is: 6,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.30 : 21,001.56 = 4,639.94 : x
  2. Step 2: Convert to fraction form
    14,000.30/21,001.56 = 4,639.94/x
  3. Step 3: Cross multiply
    14,000.30x = 21,001.56 × 4,639.94
  4. Step 4: Simplify right side
    14,000.30x = 97,445,978.31
  5. Step 5: Solve for x
    x = 97,445,978.31/14,000.30
  6. Step 6: Final answer
    x = 6,960.28

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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.