Home / 10,383.02-15,570.71-8,166.19

Finding the Fourth Proportional to 10,383.02, 15,570.71 and 8,166.19

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Solution

The fourth proportional to 10,383.02, 15,570.71 and 8,166.19 is: 12,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.02 : 15,570.71 = 8,166.19 : x
  2. Step 2: Convert to fraction form
    10,383.02/15,570.71 = 8,166.19/x
  3. Step 3: Cross multiply
    10,383.02x = 15,570.71 × 8,166.19
  4. Step 4: Simplify right side
    10,383.02x = 127,153,376.29
  5. Step 5: Solve for x
    x = 127,153,376.29/10,383.02
  6. Step 6: Final answer
    x = 12,246.28

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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.