Home / 15,669.12-23,504.64-5,139.84

Finding the Fourth Proportional to 15,669.12, 23,504.64 and 5,139.84

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Solution

The fourth proportional to 15,669.12, 23,504.64 and 5,139.84 is: 7,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.12 : 23,504.64 = 5,139.84 : x
  2. Step 2: Convert to fraction form
    15,669.12/23,504.64 = 5,139.84/x
  3. Step 3: Cross multiply
    15,669.12x = 23,504.64 × 5,139.84
  4. Step 4: Simplify right side
    15,669.12x = 120,810,088.86
  5. Step 5: Solve for x
    x = 120,810,088.86/15,669.12
  6. Step 6: Final answer
    x = 7,710.07

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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.