Home / 10,663.74-14,715.67-6,187.21

Finding the Fourth Proportional to 10,663.74, 14,715.67 and 6,187.21

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Solution

The fourth proportional to 10,663.74, 14,715.67 and 6,187.21 is: 8,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.74 : 14,715.67 = 6,187.21 : x
  2. Step 2: Convert to fraction form
    10,663.74/14,715.67 = 6,187.21/x
  3. Step 3: Cross multiply
    10,663.74x = 14,715.67 × 6,187.21
  4. Step 4: Simplify right side
    10,663.74x = 91,048,940.58
  5. Step 5: Solve for x
    x = 91,048,940.58/10,663.74
  6. Step 6: Final answer
    x = 8,538.18

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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.