Home / 15,783.03-23,669.84-13,002.81

Finding the Fourth Proportional to 15,783.03, 23,669.84 and 13,002.81

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Solution

The fourth proportional to 15,783.03, 23,669.84 and 13,002.81 is: 19,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.03 : 23,669.84 = 13,002.81 : x
  2. Step 2: Convert to fraction form
    15,783.03/23,669.84 = 13,002.81/x
  3. Step 3: Cross multiply
    15,783.03x = 23,669.84 × 13,002.81
  4. Step 4: Simplify right side
    15,783.03x = 307,774,367.24
  5. Step 5: Solve for x
    x = 307,774,367.24/15,783.03
  6. Step 6: Final answer
    x = 19,500.33

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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.