Home / 15,877.08-21,900.45-10,219.23

Finding the Fourth Proportional to 15,877.08, 21,900.45 and 10,219.23

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Solution

The fourth proportional to 15,877.08, 21,900.45 and 10,219.23 is: 14,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.08 : 21,900.45 = 10,219.23 : x
  2. Step 2: Convert to fraction form
    15,877.08/21,900.45 = 10,219.23/x
  3. Step 3: Cross multiply
    15,877.08x = 21,900.45 × 10,219.23
  4. Step 4: Simplify right side
    15,877.08x = 223,805,735.65
  5. Step 5: Solve for x
    x = 223,805,735.65/15,877.08
  6. Step 6: Final answer
    x = 14,096.15

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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.