Home / 14,305.55-21,462.53-6,406.31

Finding the Fourth Proportional to 14,305.55, 21,462.53 and 6,406.31

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Solution

The fourth proportional to 14,305.55, 21,462.53 and 6,406.31 is: 9,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.55 : 21,462.53 = 6,406.31 : x
  2. Step 2: Convert to fraction form
    14,305.55/21,462.53 = 6,406.31/x
  3. Step 3: Cross multiply
    14,305.55x = 21,462.53 × 6,406.31
  4. Step 4: Simplify right side
    14,305.55x = 137,495,588.53
  5. Step 5: Solve for x
    x = 137,495,588.53/14,305.55
  6. Step 6: Final answer
    x = 9,611.35

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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.