Home / 15,526.92-21,412.66-10,147.08

Finding the Fourth Proportional to 15,526.92, 21,412.66 and 10,147.08

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Solution

The fourth proportional to 15,526.92, 21,412.66 and 10,147.08 is: 13,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.92 : 21,412.66 = 10,147.08 : x
  2. Step 2: Convert to fraction form
    15,526.92/21,412.66 = 10,147.08/x
  3. Step 3: Cross multiply
    15,526.92x = 21,412.66 × 10,147.08
  4. Step 4: Simplify right side
    15,526.92x = 217,275,974.03
  5. Step 5: Solve for x
    x = 217,275,974.03/15,526.92
  6. Step 6: Final answer
    x = 13,993.50

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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.