Home / 15,612.89-23,417.82-8,590.60

Finding the Fourth Proportional to 15,612.89, 23,417.82 and 8,590.60

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Solution

The fourth proportional to 15,612.89, 23,417.82 and 8,590.60 is: 12,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.89 : 23,417.82 = 8,590.60 : x
  2. Step 2: Convert to fraction form
    15,612.89/23,417.82 = 8,590.60/x
  3. Step 3: Cross multiply
    15,612.89x = 23,417.82 × 8,590.60
  4. Step 4: Simplify right side
    15,612.89x = 201,173,065.95
  5. Step 5: Solve for x
    x = 201,173,065.95/15,612.89
  6. Step 6: Final answer
    x = 12,885.06

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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.