Home / 14,817.23-20,438.43-10,339.35

Finding the Fourth Proportional to 14,817.23, 20,438.43 and 10,339.35

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Solution

The fourth proportional to 14,817.23, 20,438.43 and 10,339.35 is: 14,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.23 : 20,438.43 = 10,339.35 : x
  2. Step 2: Convert to fraction form
    14,817.23/20,438.43 = 10,339.35/x
  3. Step 3: Cross multiply
    14,817.23x = 20,438.43 × 10,339.35
  4. Step 4: Simplify right side
    14,817.23x = 211,319,965.80
  5. Step 5: Solve for x
    x = 211,319,965.80/14,817.23
  6. Step 6: Final answer
    x = 14,261.77

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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.