Home / 21,400.63-32,113.64-9,713.68

Finding the Fourth Proportional to 21,400.63, 32,113.64 and 9,713.68

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Solution

The fourth proportional to 21,400.63, 32,113.64 and 9,713.68 is: 14,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.63 : 32,113.64 = 9,713.68 : x
  2. Step 2: Convert to fraction form
    21,400.63/32,113.64 = 9,713.68/x
  3. Step 3: Cross multiply
    21,400.63x = 32,113.64 × 9,713.68
  4. Step 4: Simplify right side
    21,400.63x = 311,941,622.60
  5. Step 5: Solve for x
    x = 311,941,622.60/21,400.63
  6. Step 6: Final answer
    x = 14,576.28

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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.