Home / 15,330.48-23,007.12-11,390.88

Finding the Fourth Proportional to 15,330.48, 23,007.12 and 11,390.88

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Solution

The fourth proportional to 15,330.48, 23,007.12 and 11,390.88 is: 17,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.48 : 23,007.12 = 11,390.88 : x
  2. Step 2: Convert to fraction form
    15,330.48/23,007.12 = 11,390.88/x
  3. Step 3: Cross multiply
    15,330.48x = 23,007.12 × 11,390.88
  4. Step 4: Simplify right side
    15,330.48x = 262,071,343.07
  5. Step 5: Solve for x
    x = 262,071,343.07/15,330.48
  6. Step 6: Final answer
    x = 17,094.79

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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.