Home / 15,420.96-23,125.95-5,557.59

Finding the Fourth Proportional to 15,420.96, 23,125.95 and 5,557.59

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Solution

The fourth proportional to 15,420.96, 23,125.95 and 5,557.59 is: 8,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.96 : 23,125.95 = 5,557.59 : x
  2. Step 2: Convert to fraction form
    15,420.96/23,125.95 = 5,557.59/x
  3. Step 3: Cross multiply
    15,420.96x = 23,125.95 × 5,557.59
  4. Step 4: Simplify right side
    15,420.96x = 128,524,548.46
  5. Step 5: Solve for x
    x = 128,524,548.46/15,420.96
  6. Step 6: Final answer
    x = 8,334.41

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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.