Home / 12,085.59-18,111.53-6,526.97

Finding the Fourth Proportional to 12,085.59, 18,111.53 and 6,526.97

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Solution

The fourth proportional to 12,085.59, 18,111.53 and 6,526.97 is: 9,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.59 : 18,111.53 = 6,526.97 : x
  2. Step 2: Convert to fraction form
    12,085.59/18,111.53 = 6,526.97/x
  3. Step 3: Cross multiply
    12,085.59x = 18,111.53 × 6,526.97
  4. Step 4: Simplify right side
    12,085.59x = 118,213,289.77
  5. Step 5: Solve for x
    x = 118,213,289.77/12,085.59
  6. Step 6: Final answer
    x = 9,781.34

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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.