Home / 14,019.48-21,059.74-8,475.43

Finding the Fourth Proportional to 14,019.48, 21,059.74 and 8,475.43

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Solution

The fourth proportional to 14,019.48, 21,059.74 and 8,475.43 is: 12,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.48 : 21,059.74 = 8,475.43 : x
  2. Step 2: Convert to fraction form
    14,019.48/21,059.74 = 8,475.43/x
  3. Step 3: Cross multiply
    14,019.48x = 21,059.74 × 8,475.43
  4. Step 4: Simplify right side
    14,019.48x = 178,490,352.19
  5. Step 5: Solve for x
    x = 178,490,352.19/14,019.48
  6. Step 6: Final answer
    x = 12,731.60

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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.