Home / 20,187.18-30,300.30-14,570.64

Finding the Fourth Proportional to 20,187.18, 30,300.30 and 14,570.64

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Solution

The fourth proportional to 20,187.18, 30,300.30 and 14,570.64 is: 21,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.18 : 30,300.30 = 14,570.64 : x
  2. Step 2: Convert to fraction form
    20,187.18/30,300.30 = 14,570.64/x
  3. Step 3: Cross multiply
    20,187.18x = 30,300.30 × 14,570.64
  4. Step 4: Simplify right side
    20,187.18x = 441,494,763.19
  5. Step 5: Solve for x
    x = 441,494,763.19/20,187.18
  6. Step 6: Final answer
    x = 21,870.06

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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.