Home / 15,416.23-21,243.01-10,637.64

Finding the Fourth Proportional to 15,416.23, 21,243.01 and 10,637.64

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Solution

The fourth proportional to 15,416.23, 21,243.01 and 10,637.64 is: 14,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.23 : 21,243.01 = 10,637.64 : x
  2. Step 2: Convert to fraction form
    15,416.23/21,243.01 = 10,637.64/x
  3. Step 3: Cross multiply
    15,416.23x = 21,243.01 × 10,637.64
  4. Step 4: Simplify right side
    15,416.23x = 225,975,492.90
  5. Step 5: Solve for x
    x = 225,975,492.90/15,416.23
  6. Step 6: Final answer
    x = 14,658.28

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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.