Home / 15,403.23-23,102.10-6,638.85

Finding the Fourth Proportional to 15,403.23, 23,102.10 and 6,638.85

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Solution

The fourth proportional to 15,403.23, 23,102.10 and 6,638.85 is: 9,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.23 : 23,102.10 = 6,638.85 : x
  2. Step 2: Convert to fraction form
    15,403.23/23,102.10 = 6,638.85/x
  3. Step 3: Cross multiply
    15,403.23x = 23,102.10 × 6,638.85
  4. Step 4: Simplify right side
    15,403.23x = 153,371,376.59
  5. Step 5: Solve for x
    x = 153,371,376.59/15,403.23
  6. Step 6: Final answer
    x = 9,957.09

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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.