Home / 14,007.45-21,010.77-4,647.90

Finding the Fourth Proportional to 14,007.45, 21,010.77 and 4,647.90

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Solution

The fourth proportional to 14,007.45, 21,010.77 and 4,647.90 is: 6,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.45 : 21,010.77 = 4,647.90 : x
  2. Step 2: Convert to fraction form
    14,007.45/21,010.77 = 4,647.90/x
  3. Step 3: Cross multiply
    14,007.45x = 21,010.77 × 4,647.90
  4. Step 4: Simplify right side
    14,007.45x = 97,655,957.88
  5. Step 5: Solve for x
    x = 97,655,957.88/14,007.45
  6. Step 6: Final answer
    x = 6,971.72

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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.