Home / 20,703.30-28,574.28-12,204.93

Finding the Fourth Proportional to 20,703.30, 28,574.28 and 12,204.93

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Solution

The fourth proportional to 20,703.30, 28,574.28 and 12,204.93 is: 16,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703.30 : 28,574.28 = 12,204.93 : x
  2. Step 2: Convert to fraction form
    20,703.30/28,574.28 = 12,204.93/x
  3. Step 3: Cross multiply
    20,703.30x = 28,574.28 × 12,204.93
  4. Step 4: Simplify right side
    20,703.30x = 348,747,087.20
  5. Step 5: Solve for x
    x = 348,747,087.20/20,703.30
  6. Step 6: Final answer
    x = 16,845.00

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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.