Home / 10,590.89-14,615.43-6,611.99

Finding the Fourth Proportional to 10,590.89, 14,615.43 and 6,611.99

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Solution

The fourth proportional to 10,590.89, 14,615.43 and 6,611.99 is: 9,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.89 : 14,615.43 = 6,611.99 : x
  2. Step 2: Convert to fraction form
    10,590.89/14,615.43 = 6,611.99/x
  3. Step 3: Cross multiply
    10,590.89x = 14,615.43 × 6,611.99
  4. Step 4: Simplify right side
    10,590.89x = 96,637,077.01
  5. Step 5: Solve for x
    x = 96,637,077.01/10,590.89
  6. Step 6: Final answer
    x = 9,124.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.