Home / 10,220.47-14,091.23-6,857.96

Finding the Fourth Proportional to 10,220.47, 14,091.23 and 6,857.96

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Solution

The fourth proportional to 10,220.47, 14,091.23 and 6,857.96 is: 9,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.47 : 14,091.23 = 6,857.96 : x
  2. Step 2: Convert to fraction form
    10,220.47/14,091.23 = 6,857.96/x
  3. Step 3: Cross multiply
    10,220.47x = 14,091.23 × 6,857.96
  4. Step 4: Simplify right side
    10,220.47x = 96,637,038.38
  5. Step 5: Solve for x
    x = 96,637,038.38/10,220.47
  6. Step 6: Final answer
    x = 9,455.25

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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.