Home / 14,048.88-21,057.12-6,655.20

Finding the Fourth Proportional to 14,048.88, 21,057.12 and 6,655.20

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Solution

The fourth proportional to 14,048.88, 21,057.12 and 6,655.20 is: 9,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.88 : 21,057.12 = 6,655.20 : x
  2. Step 2: Convert to fraction form
    14,048.88/21,057.12 = 6,655.20/x
  3. Step 3: Cross multiply
    14,048.88x = 21,057.12 × 6,655.20
  4. Step 4: Simplify right side
    14,048.88x = 140,139,345.02
  5. Step 5: Solve for x
    x = 140,139,345.02/14,048.88
  6. Step 6: Final answer
    x = 9,975.13

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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.