Home / 16,670.80-25,008.69-6,140.01

Finding the Fourth Proportional to 16,670.80, 25,008.69 and 6,140.01

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Solution

The fourth proportional to 16,670.80, 25,008.69 and 6,140.01 is: 9,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.80 : 25,008.69 = 6,140.01 : x
  2. Step 2: Convert to fraction form
    16,670.80/25,008.69 = 6,140.01/x
  3. Step 3: Cross multiply
    16,670.80x = 25,008.69 × 6,140.01
  4. Step 4: Simplify right side
    16,670.80x = 153,553,575.99
  5. Step 5: Solve for x
    x = 153,553,575.99/16,670.80
  6. Step 6: Final answer
    x = 9,210.93

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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.