Home / 10,718.10-14,890.14-10,621.98

Finding the Fourth Proportional to 10,718.10, 14,890.14 and 10,621.98

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Solution

The fourth proportional to 10,718.10, 14,890.14 and 10,621.98 is: 14,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.10 : 14,890.14 = 10,621.98 : x
  2. Step 2: Convert to fraction form
    10,718.10/14,890.14 = 10,621.98/x
  3. Step 3: Cross multiply
    10,718.10x = 14,890.14 × 10,621.98
  4. Step 4: Simplify right side
    10,718.10x = 158,162,769.28
  5. Step 5: Solve for x
    x = 158,162,769.28/10,718.10
  6. Step 6: Final answer
    x = 14,756.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.