Home / 14,275.80-21,406.38-5,513.24

Finding the Fourth Proportional to 14,275.80, 21,406.38 and 5,513.24

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Solution

The fourth proportional to 14,275.80, 21,406.38 and 5,513.24 is: 8,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.80 : 21,406.38 = 5,513.24 : x
  2. Step 2: Convert to fraction form
    14,275.80/21,406.38 = 5,513.24/x
  3. Step 3: Cross multiply
    14,275.80x = 21,406.38 × 5,513.24
  4. Step 4: Simplify right side
    14,275.80x = 118,018,510.47
  5. Step 5: Solve for x
    x = 118,018,510.47/14,275.80
  6. Step 6: Final answer
    x = 8,267.03

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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.