Home / 14,238.17-21,357.12-4,878.08

Finding the Fourth Proportional to 14,238.17, 21,357.12 and 4,878.08

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Solution

The fourth proportional to 14,238.17, 21,357.12 and 4,878.08 is: 7,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.17 : 21,357.12 = 4,878.08 : x
  2. Step 2: Convert to fraction form
    14,238.17/21,357.12 = 4,878.08/x
  3. Step 3: Cross multiply
    14,238.17x = 21,357.12 × 4,878.08
  4. Step 4: Simplify right side
    14,238.17x = 104,181,739.93
  5. Step 5: Solve for x
    x = 104,181,739.93/14,238.17
  6. Step 6: Final answer
    x = 7,317.07

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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.