Home / 15,338.41-21,166.64-8,624.01

Finding the Fourth Proportional to 15,338.41, 21,166.64 and 8,624.01

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Solution

The fourth proportional to 15,338.41, 21,166.64 and 8,624.01 is: 11,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.41 : 21,166.64 = 8,624.01 : x
  2. Step 2: Convert to fraction form
    15,338.41/21,166.64 = 8,624.01/x
  3. Step 3: Cross multiply
    15,338.41x = 21,166.64 × 8,624.01
  4. Step 4: Simplify right side
    15,338.41x = 182,541,271.91
  5. Step 5: Solve for x
    x = 182,541,271.91/15,338.41
  6. Step 6: Final answer
    x = 11,900.93

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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.