Home / 10,236.65-14,128.61-6,646.59

Finding the Fourth Proportional to 10,236.65, 14,128.61 and 6,646.59

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Solution

The fourth proportional to 10,236.65, 14,128.61 and 6,646.59 is: 9,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.65 : 14,128.61 = 6,646.59 : x
  2. Step 2: Convert to fraction form
    10,236.65/14,128.61 = 6,646.59/x
  3. Step 3: Cross multiply
    10,236.65x = 14,128.61 × 6,646.59
  4. Step 4: Simplify right side
    10,236.65x = 93,907,044.71
  5. Step 5: Solve for x
    x = 93,907,044.71/10,236.65
  6. Step 6: Final answer
    x = 9,173.62

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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.