Home / 21,686.24-32,538.59-9,208.95

Finding the Fourth Proportional to 21,686.24, 32,538.59 and 9,208.95

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Solution

The fourth proportional to 21,686.24, 32,538.59 and 9,208.95 is: 13,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.24 : 32,538.59 = 9,208.95 : x
  2. Step 2: Convert to fraction form
    21,686.24/32,538.59 = 9,208.95/x
  3. Step 3: Cross multiply
    21,686.24x = 32,538.59 × 9,208.95
  4. Step 4: Simplify right side
    21,686.24x = 299,646,248.38
  5. Step 5: Solve for x
    x = 299,646,248.38/21,686.24
  6. Step 6: Final answer
    x = 13,817.34

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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.