Home / 15,638.35-23,459.01-4,393.66

Finding the Fourth Proportional to 15,638.35, 23,459.01 and 4,393.66

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Solution

The fourth proportional to 15,638.35, 23,459.01 and 4,393.66 is: 6,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.35 : 23,459.01 = 4,393.66 : x
  2. Step 2: Convert to fraction form
    15,638.35/23,459.01 = 4,393.66/x
  3. Step 3: Cross multiply
    15,638.35x = 23,459.01 × 4,393.66
  4. Step 4: Simplify right side
    15,638.35x = 103,070,913.88
  5. Step 5: Solve for x
    x = 103,070,913.88/15,638.35
  6. Step 6: Final answer
    x = 6,590.91

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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.