Home / 14,005.80-21,041.10-9,631.80

Finding the Fourth Proportional to 14,005.80, 21,041.10 and 9,631.80

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Solution

The fourth proportional to 14,005.80, 21,041.10 and 9,631.80 is: 14,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.80 : 21,041.10 = 9,631.80 : x
  2. Step 2: Convert to fraction form
    14,005.80/21,041.10 = 9,631.80/x
  3. Step 3: Cross multiply
    14,005.80x = 21,041.10 × 9,631.80
  4. Step 4: Simplify right side
    14,005.80x = 202,663,666.98
  5. Step 5: Solve for x
    x = 202,663,666.98/14,005.80
  6. Step 6: Final answer
    x = 14,469.98

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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.