Home / 14,027.12-19,357.12-7,740.08

Finding the Fourth Proportional to 14,027.12, 19,357.12 and 7,740.08

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Solution

The fourth proportional to 14,027.12, 19,357.12 and 7,740.08 is: 10,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.12 : 19,357.12 = 7,740.08 : x
  2. Step 2: Convert to fraction form
    14,027.12/19,357.12 = 7,740.08/x
  3. Step 3: Cross multiply
    14,027.12x = 19,357.12 × 7,740.08
  4. Step 4: Simplify right side
    14,027.12x = 149,825,657.37
  5. Step 5: Solve for x
    x = 149,825,657.37/14,027.12
  6. Step 6: Final answer
    x = 10,681.14

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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.