Home / 10,545.05-14,569.67-8,323.90

Finding the Fourth Proportional to 10,545.05, 14,569.67 and 8,323.90

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Solution

The fourth proportional to 10,545.05, 14,569.67 and 8,323.90 is: 11,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.05 : 14,569.67 = 8,323.90 : x
  2. Step 2: Convert to fraction form
    10,545.05/14,569.67 = 8,323.90/x
  3. Step 3: Cross multiply
    10,545.05x = 14,569.67 × 8,323.90
  4. Step 4: Simplify right side
    10,545.05x = 121,276,460.50
  5. Step 5: Solve for x
    x = 121,276,460.50/10,545.05
  6. Step 6: Final answer
    x = 11,500.79

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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.