Home / 10,823.50-16,151.50-9,657.10

Finding the Fourth Proportional to 10,823.50, 16,151.50 and 9,657.10

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Solution

The fourth proportional to 10,823.50, 16,151.50 and 9,657.10 is: 14,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.50 : 16,151.50 = 9,657.10 : x
  2. Step 2: Convert to fraction form
    10,823.50/16,151.50 = 9,657.10/x
  3. Step 3: Cross multiply
    10,823.50x = 16,151.50 × 9,657.10
  4. Step 4: Simplify right side
    10,823.50x = 155,976,650.65
  5. Step 5: Solve for x
    x = 155,976,650.65/10,823.50
  6. Step 6: Final answer
    x = 14,410.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.