Home / 15,403.84-23,107.80-5,012.08

Finding the Fourth Proportional to 15,403.84, 23,107.80 and 5,012.08

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Solution

The fourth proportional to 15,403.84, 23,107.80 and 5,012.08 is: 7,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.84 : 23,107.80 = 5,012.08 : x
  2. Step 2: Convert to fraction form
    15,403.84/23,107.80 = 5,012.08/x
  3. Step 3: Cross multiply
    15,403.84x = 23,107.80 × 5,012.08
  4. Step 4: Simplify right side
    15,403.84x = 115,818,142.22
  5. Step 5: Solve for x
    x = 115,818,142.22/15,403.84
  6. Step 6: Final answer
    x = 7,518.78

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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.