Home / 21,484.02-29,648.50-13,933.46

Finding the Fourth Proportional to 21,484.02, 29,648.50 and 13,933.46

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Solution

The fourth proportional to 21,484.02, 29,648.50 and 13,933.46 is: 19,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.02 : 29,648.50 = 13,933.46 : x
  2. Step 2: Convert to fraction form
    21,484.02/29,648.50 = 13,933.46/x
  3. Step 3: Cross multiply
    21,484.02x = 29,648.50 × 13,933.46
  4. Step 4: Simplify right side
    21,484.02x = 413,106,188.81
  5. Step 5: Solve for x
    x = 413,106,188.81/21,484.02
  6. Step 6: Final answer
    x = 19,228.53

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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.