Home / 14,555.80-21,848.96-12,900.50

Finding the Fourth Proportional to 14,555.80, 21,848.96 and 12,900.50

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Solution

The fourth proportional to 14,555.80, 21,848.96 and 12,900.50 is: 19,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.80 : 21,848.96 = 12,900.50 : x
  2. Step 2: Convert to fraction form
    14,555.80/21,848.96 = 12,900.50/x
  3. Step 3: Cross multiply
    14,555.80x = 21,848.96 × 12,900.50
  4. Step 4: Simplify right side
    14,555.80x = 281,862,508.48
  5. Step 5: Solve for x
    x = 281,862,508.48/14,555.80
  6. Step 6: Final answer
    x = 19,364.27

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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.