Home / 21,200.24-31,807.80-9,514.64

Finding the Fourth Proportional to 21,200.24, 31,807.80 and 9,514.64

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Solution

The fourth proportional to 21,200.24, 31,807.80 and 9,514.64 is: 14,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200.24 : 31,807.80 = 9,514.64 : x
  2. Step 2: Convert to fraction form
    21,200.24/31,807.80 = 9,514.64/x
  3. Step 3: Cross multiply
    21,200.24x = 31,807.80 × 9,514.64
  4. Step 4: Simplify right side
    21,200.24x = 302,639,766.19
  5. Step 5: Solve for x
    x = 302,639,766.19/21,200.24
  6. Step 6: Final answer
    x = 14,275.30

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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.