Home / 19,887.02-27,448.27-12,614.42

Finding the Fourth Proportional to 19,887.02, 27,448.27 and 12,614.42

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Solution

The fourth proportional to 19,887.02, 27,448.27 and 12,614.42 is: 17,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.02 : 27,448.27 = 12,614.42 : x
  2. Step 2: Convert to fraction form
    19,887.02/27,448.27 = 12,614.42/x
  3. Step 3: Cross multiply
    19,887.02x = 27,448.27 × 12,614.42
  4. Step 4: Simplify right side
    19,887.02x = 346,243,888.74
  5. Step 5: Solve for x
    x = 346,243,888.74/19,887.02
  6. Step 6: Final answer
    x = 17,410.55

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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.