Home / 15,356.39-23,005.42-8,762.58

Finding the Fourth Proportional to 15,356.39, 23,005.42 and 8,762.58

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Solution

The fourth proportional to 15,356.39, 23,005.42 and 8,762.58 is: 13,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.39 : 23,005.42 = 8,762.58 : x
  2. Step 2: Convert to fraction form
    15,356.39/23,005.42 = 8,762.58/x
  3. Step 3: Cross multiply
    15,356.39x = 23,005.42 × 8,762.58
  4. Step 4: Simplify right side
    15,356.39x = 201,586,811.28
  5. Step 5: Solve for x
    x = 201,586,811.28/15,356.39
  6. Step 6: Final answer
    x = 13,127.23

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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.