Home / 14,437.86-19,918.35-8,772.72

Finding the Fourth Proportional to 14,437.86, 19,918.35 and 8,772.72

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Solution

The fourth proportional to 14,437.86, 19,918.35 and 8,772.72 is: 12,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.86 : 19,918.35 = 8,772.72 : x
  2. Step 2: Convert to fraction form
    14,437.86/19,918.35 = 8,772.72/x
  3. Step 3: Cross multiply
    14,437.86x = 19,918.35 × 8,772.72
  4. Step 4: Simplify right side
    14,437.86x = 174,738,107.41
  5. Step 5: Solve for x
    x = 174,738,107.41/14,437.86
  6. Step 6: Final answer
    x = 12,102.77

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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.