Home / 14,810.46-20,438.41-8,437.05

Finding the Fourth Proportional to 14,810.46, 20,438.41 and 8,437.05

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Solution

The fourth proportional to 14,810.46, 20,438.41 and 8,437.05 is: 11,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.46 : 20,438.41 = 8,437.05 : x
  2. Step 2: Convert to fraction form
    14,810.46/20,438.41 = 8,437.05/x
  3. Step 3: Cross multiply
    14,810.46x = 20,438.41 × 8,437.05
  4. Step 4: Simplify right side
    14,810.46x = 172,439,887.09
  5. Step 5: Solve for x
    x = 172,439,887.09/14,810.46
  6. Step 6: Final answer
    x = 11,643.11

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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.