Home / 10,383.75-14,335.47-6,857.19

Finding the Fourth Proportional to 10,383.75, 14,335.47 and 6,857.19

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Solution

The fourth proportional to 10,383.75, 14,335.47 and 6,857.19 is: 9,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.75 : 14,335.47 = 6,857.19 : x
  2. Step 2: Convert to fraction form
    10,383.75/14,335.47 = 6,857.19/x
  3. Step 3: Cross multiply
    10,383.75x = 14,335.47 × 6,857.19
  4. Step 4: Simplify right side
    10,383.75x = 98,301,041.53
  5. Step 5: Solve for x
    x = 98,301,041.53/10,383.75
  6. Step 6: Final answer
    x = 9,466.82

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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.