Home / 14,263.40-21,354.60-13,487.60

Finding the Fourth Proportional to 14,263.40, 21,354.60 and 13,487.60

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Solution

The fourth proportional to 14,263.40, 21,354.60 and 13,487.60 is: 20,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.40 : 21,354.60 = 13,487.60 : x
  2. Step 2: Convert to fraction form
    14,263.40/21,354.60 = 13,487.60/x
  3. Step 3: Cross multiply
    14,263.40x = 21,354.60 × 13,487.60
  4. Step 4: Simplify right side
    14,263.40x = 288,022,302.96
  5. Step 5: Solve for x
    x = 288,022,302.96/14,263.40
  6. Step 6: Final answer
    x = 20,193.10

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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.