Home / 14,028.65-19,359.02-7,740.89

Finding the Fourth Proportional to 14,028.65, 19,359.02 and 7,740.89

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Solution

The fourth proportional to 14,028.65, 19,359.02 and 7,740.89 is: 10,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.65 : 19,359.02 = 7,740.89 : x
  2. Step 2: Convert to fraction form
    14,028.65/19,359.02 = 7,740.89/x
  3. Step 3: Cross multiply
    14,028.65x = 19,359.02 × 7,740.89
  4. Step 4: Simplify right side
    14,028.65x = 149,855,966.88
  5. Step 5: Solve for x
    x = 149,855,966.88/14,028.65
  6. Step 6: Final answer
    x = 10,682.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.