Home / 14,014.47-21,021.64-4,655.20

Finding the Fourth Proportional to 14,014.47, 21,021.64 and 4,655.20

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Solution

The fourth proportional to 14,014.47, 21,021.64 and 4,655.20 is: 6,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.47 : 21,021.64 = 4,655.20 : x
  2. Step 2: Convert to fraction form
    14,014.47/21,021.64 = 4,655.20/x
  3. Step 3: Cross multiply
    14,014.47x = 21,021.64 × 4,655.20
  4. Step 4: Simplify right side
    14,014.47x = 97,859,938.53
  5. Step 5: Solve for x
    x = 97,859,938.53/14,014.47
  6. Step 6: Final answer
    x = 6,982.78

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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.