Home / 15,431.47-23,129.70-7,094.26

Finding the Fourth Proportional to 15,431.47, 23,129.70 and 7,094.26

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Solution

The fourth proportional to 15,431.47, 23,129.70 and 7,094.26 is: 10,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.47 : 23,129.70 = 7,094.26 : x
  2. Step 2: Convert to fraction form
    15,431.47/23,129.70 = 7,094.26/x
  3. Step 3: Cross multiply
    15,431.47x = 23,129.70 × 7,094.26
  4. Step 4: Simplify right side
    15,431.47x = 164,088,105.52
  5. Step 5: Solve for x
    x = 164,088,105.52/15,431.47
  6. Step 6: Final answer
    x = 10,633.34

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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.