Home / 15,416.72-23,114.28-7,901.81

Finding the Fourth Proportional to 15,416.72, 23,114.28 and 7,901.81

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Solution

The fourth proportional to 15,416.72, 23,114.28 and 7,901.81 is: 11,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.72 : 23,114.28 = 7,901.81 : x
  2. Step 2: Convert to fraction form
    15,416.72/23,114.28 = 7,901.81/x
  3. Step 3: Cross multiply
    15,416.72x = 23,114.28 × 7,901.81
  4. Step 4: Simplify right side
    15,416.72x = 182,644,533.28
  5. Step 5: Solve for x
    x = 182,644,533.28/15,416.72
  6. Step 6: Final answer
    x = 11,847.18

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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.