Home / 16,999.65-23,452.25-10,621.90

Finding the Fourth Proportional to 16,999.65, 23,452.25 and 10,621.90

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Solution

The fourth proportional to 16,999.65, 23,452.25 and 10,621.90 is: 14,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.65 : 23,452.25 = 10,621.90 : x
  2. Step 2: Convert to fraction form
    16,999.65/23,452.25 = 10,621.90/x
  3. Step 3: Cross multiply
    16,999.65x = 23,452.25 × 10,621.90
  4. Step 4: Simplify right side
    16,999.65x = 249,107,283.90
  5. Step 5: Solve for x
    x = 249,107,283.90/16,999.65
  6. Step 6: Final answer
    x = 14,653.67

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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.