Home / 21,462.34-29,617.98-12,030.90

Finding the Fourth Proportional to 21,462.34, 29,617.98 and 12,030.90

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Solution

The fourth proportional to 21,462.34, 29,617.98 and 12,030.90 is: 16,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.34 : 29,617.98 = 12,030.90 : x
  2. Step 2: Convert to fraction form
    21,462.34/29,617.98 = 12,030.90/x
  3. Step 3: Cross multiply
    21,462.34x = 29,617.98 × 12,030.90
  4. Step 4: Simplify right side
    21,462.34x = 356,330,955.58
  5. Step 5: Solve for x
    x = 356,330,955.58/21,462.34
  6. Step 6: Final answer
    x = 16,602.61

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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.