Home / 21,484.06-29,658.03-14,325.91

Finding the Fourth Proportional to 21,484.06, 29,658.03 and 14,325.91

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Solution

The fourth proportional to 21,484.06, 29,658.03 and 14,325.91 is: 19,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.06 : 29,658.03 = 14,325.91 : x
  2. Step 2: Convert to fraction form
    21,484.06/29,658.03 = 14,325.91/x
  3. Step 3: Cross multiply
    21,484.06x = 29,658.03 × 14,325.91
  4. Step 4: Simplify right side
    21,484.06x = 424,878,268.56
  5. Step 5: Solve for x
    x = 424,878,268.56/21,484.06
  6. Step 6: Final answer
    x = 19,776.44

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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.