Home / 21,760.52-32,646.40-9,274.28

Finding the Fourth Proportional to 21,760.52, 32,646.40 and 9,274.28

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Solution

The fourth proportional to 21,760.52, 32,646.40 and 9,274.28 is: 13,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.52 : 32,646.40 = 9,274.28 : x
  2. Step 2: Convert to fraction form
    21,760.52/32,646.40 = 9,274.28/x
  3. Step 3: Cross multiply
    21,760.52x = 32,646.40 × 9,274.28
  4. Step 4: Simplify right side
    21,760.52x = 302,771,854.59
  5. Step 5: Solve for x
    x = 302,771,854.59/21,760.52
  6. Step 6: Final answer
    x = 13,913.82

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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.