Home / 15,530.02-23,276.78-7,192.42

Finding the Fourth Proportional to 15,530.02, 23,276.78 and 7,192.42

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Solution

The fourth proportional to 15,530.02, 23,276.78 and 7,192.42 is: 10,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.02 : 23,276.78 = 7,192.42 : x
  2. Step 2: Convert to fraction form
    15,530.02/23,276.78 = 7,192.42/x
  3. Step 3: Cross multiply
    15,530.02x = 23,276.78 × 7,192.42
  4. Step 4: Simplify right side
    15,530.02x = 167,416,378.01
  5. Step 5: Solve for x
    x = 167,416,378.01/15,530.02
  6. Step 6: Final answer
    x = 10,780.18

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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.