Home / 21,184.74-29,233.95-11,624.42

Finding the Fourth Proportional to 21,184.74, 29,233.95 and 11,624.42

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Solution

The fourth proportional to 21,184.74, 29,233.95 and 11,624.42 is: 16,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.74 : 29,233.95 = 11,624.42 : x
  2. Step 2: Convert to fraction form
    21,184.74/29,233.95 = 11,624.42/x
  3. Step 3: Cross multiply
    21,184.74x = 29,233.95 × 11,624.42
  4. Step 4: Simplify right side
    21,184.74x = 339,827,595.95
  5. Step 5: Solve for x
    x = 339,827,595.95/21,184.74
  6. Step 6: Final answer
    x = 16,041.15

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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.