Home / 15,477.61-23,185.41-7,146.34

Finding the Fourth Proportional to 15,477.61, 23,185.41 and 7,146.34

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Solution

The fourth proportional to 15,477.61, 23,185.41 and 7,146.34 is: 10,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.61 : 23,185.41 = 7,146.34 : x
  2. Step 2: Convert to fraction form
    15,477.61/23,185.41 = 7,146.34/x
  3. Step 3: Cross multiply
    15,477.61x = 23,185.41 × 7,146.34
  4. Step 4: Simplify right side
    15,477.61x = 165,690,822.90
  5. Step 5: Solve for x
    x = 165,690,822.90/15,477.61
  6. Step 6: Final answer
    x = 10,705.19

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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.