Home / 10,545.09-14,548.41-6,455.50

Finding the Fourth Proportional to 10,545.09, 14,548.41 and 6,455.50

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Solution

The fourth proportional to 10,545.09, 14,548.41 and 6,455.50 is: 8,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.09 : 14,548.41 = 6,455.50 : x
  2. Step 2: Convert to fraction form
    10,545.09/14,548.41 = 6,455.50/x
  3. Step 3: Cross multiply
    10,545.09x = 14,548.41 × 6,455.50
  4. Step 4: Simplify right side
    10,545.09x = 93,917,224.38
  5. Step 5: Solve for x
    x = 93,917,224.38/10,545.09
  6. Step 6: Final answer
    x = 8,906.25

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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.