Home / 15,822.80-23,734.20-10,005.20

Finding the Fourth Proportional to 15,822.80, 23,734.20 and 10,005.20

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Solution

The fourth proportional to 15,822.80, 23,734.20 and 10,005.20 is: 15,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.80 : 23,734.20 = 10,005.20 : x
  2. Step 2: Convert to fraction form
    15,822.80/23,734.20 = 10,005.20/x
  3. Step 3: Cross multiply
    15,822.80x = 23,734.20 × 10,005.20
  4. Step 4: Simplify right side
    15,822.80x = 237,465,417.84
  5. Step 5: Solve for x
    x = 237,465,417.84/15,822.80
  6. Step 6: Final answer
    x = 15,007.80

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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.