Home / 10,663.53-14,718.60-6,188.72

Finding the Fourth Proportional to 10,663.53, 14,718.60 and 6,188.72

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Solution

The fourth proportional to 10,663.53, 14,718.60 and 6,188.72 is: 8,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.53 : 14,718.60 = 6,188.72 : x
  2. Step 2: Convert to fraction form
    10,663.53/14,718.60 = 6,188.72/x
  3. Step 3: Cross multiply
    10,663.53x = 14,718.60 × 6,188.72
  4. Step 4: Simplify right side
    10,663.53x = 91,089,294.19
  5. Step 5: Solve for x
    x = 91,089,294.19/10,663.53
  6. Step 6: Final answer
    x = 8,542.13

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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.