Home / 16,390.80-24,521.40-14,835.60

Finding the Fourth Proportional to 16,390.80, 24,521.40 and 14,835.60

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Solution

The fourth proportional to 16,390.80, 24,521.40 and 14,835.60 is: 22,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.80 : 24,521.40 = 14,835.60 : x
  2. Step 2: Convert to fraction form
    16,390.80/24,521.40 = 14,835.60/x
  3. Step 3: Cross multiply
    16,390.80x = 24,521.40 × 14,835.60
  4. Step 4: Simplify right side
    16,390.80x = 363,789,681.84
  5. Step 5: Solve for x
    x = 363,789,681.84/16,390.80
  6. Step 6: Final answer
    x = 22,194.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.