Home / 14,027.90-19,357.99-7,740.14

Finding the Fourth Proportional to 14,027.90, 19,357.99 and 7,740.14

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Solution

The fourth proportional to 14,027.90, 19,357.99 and 7,740.14 is: 10,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.90 : 19,357.99 = 7,740.14 : x
  2. Step 2: Convert to fraction form
    14,027.90/19,357.99 = 7,740.14/x
  3. Step 3: Cross multiply
    14,027.90x = 19,357.99 × 7,740.14
  4. Step 4: Simplify right side
    14,027.90x = 149,833,436.58
  5. Step 5: Solve for x
    x = 149,833,436.58/14,027.90
  6. Step 6: Final answer
    x = 10,681.11

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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.