Home / 15,530.48-23,298.59-14,121.98

Finding the Fourth Proportional to 15,530.48, 23,298.59 and 14,121.98

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Solution

The fourth proportional to 15,530.48, 23,298.59 and 14,121.98 is: 21,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.48 : 23,298.59 = 14,121.98 : x
  2. Step 2: Convert to fraction form
    15,530.48/23,298.59 = 14,121.98/x
  3. Step 3: Cross multiply
    15,530.48x = 23,298.59 × 14,121.98
  4. Step 4: Simplify right side
    15,530.48x = 329,022,222.01
  5. Step 5: Solve for x
    x = 329,022,222.01/15,530.48
  6. Step 6: Final answer
    x = 21,185.58

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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.