Home / 15,419.86-23,109.63-6,192.34

Finding the Fourth Proportional to 15,419.86, 23,109.63 and 6,192.34

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Solution

The fourth proportional to 15,419.86, 23,109.63 and 6,192.34 is: 9,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.86 : 23,109.63 = 6,192.34 : x
  2. Step 2: Convert to fraction form
    15,419.86/23,109.63 = 6,192.34/x
  3. Step 3: Cross multiply
    15,419.86x = 23,109.63 × 6,192.34
  4. Step 4: Simplify right side
    15,419.86x = 143,102,686.23
  5. Step 5: Solve for x
    x = 143,102,686.23/15,419.86
  6. Step 6: Final answer
    x = 9,280.41

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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.