Home / 15,523.45-21,410.81-9,853.27

Finding the Fourth Proportional to 15,523.45, 21,410.81 and 9,853.27

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Solution

The fourth proportional to 15,523.45, 21,410.81 and 9,853.27 is: 13,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.45 : 21,410.81 = 9,853.27 : x
  2. Step 2: Convert to fraction form
    15,523.45/21,410.81 = 9,853.27/x
  3. Step 3: Cross multiply
    15,523.45x = 21,410.81 × 9,853.27
  4. Step 4: Simplify right side
    15,523.45x = 210,966,458.51
  5. Step 5: Solve for x
    x = 210,966,458.51/15,523.45
  6. Step 6: Final answer
    x = 13,590.18

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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.